p@2: This is pdfTeX, Version 3.14159265-2.6-1.40.15 (MiKTeX 2.9 64-bit) (preloaded format=pdflatex 2015.1.29) 10 JUN 2015 11:05 p@2: entering extended mode p@2: **ch2.tex p@2: (ch2.tex p@2: LaTeX2e <2014/05/01> p@2: Babel <3.9l> and hyphenation patterns for 68 languages loaded. p@2: ! Undefined control sequence. p@2: l.1 \chapter p@2: {Background} p@2: The control sequence at the end of the top line p@2: of your error message was never \def'ed. If you have p@2: misspelled it (e.g., `\hobx'), type `I' and the correct p@2: spelling (e.g., `I\hbox'). Otherwise just continue, p@2: and I'll forget about whatever was undefined. p@2: p@2: p@2: ! LaTeX Error: Missing \begin{document}. p@2: p@2: See the LaTeX manual or LaTeX Companion for explanation. p@2: Type H for immediate help. p@2: ... p@2: p@2: l.1 \chapter{B p@2: ackground} p@2: You're in trouble here. Try typing to proceed. p@2: If that doesn't work, type X to quit. p@2: p@2: Missing character: There is no B in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no k in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: p@2: Overfull \hbox (20.0pt too wide) in paragraph at lines 1--2 p@2: [] p@2: [] p@2: p@2: ! Undefined control sequence. p@2: l.3 \section p@2: {Recommender Systems} p@2: The control sequence at the end of the top line p@2: of your error message was never \def'ed. If you have p@2: misspelled it (e.g., `\hobx'), type `I' and the correct p@2: spelling (e.g., `I\hbox'). Otherwise just continue, p@2: and I'll forget about whatever was undefined. p@2: p@2: p@2: ! LaTeX Error: Missing \begin{document}. p@2: p@2: See the LaTeX manual or LaTeX Companion for explanation. p@2: Type H for immediate help. p@2: ... p@2: p@2: l.3 \section{R p@2: ecommender Systems} p@2: You're in trouble here. Try typing to proceed. p@2: If that doesn't work, type X to quit. p@2: p@2: Missing character: There is no R in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no S in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: p@2: Overfull \hbox (20.0pt too wide) in paragraph at lines 3--4 p@2: [] p@2: [] p@2: p@2: p@2: ! LaTeX Error: Missing \begin{document}. p@2: p@2: See the LaTeX manual or LaTeX Companion for explanation. p@2: Type H for immediate help. p@2: ... p@2: p@2: l.5 R p@2: ecommender systems are software or technical facilities that provide it... p@2: p@2: You're in trouble here. Try typing to proceed. p@2: If that doesn't work, type X to quit. p@2: p@2: Missing character: There is no R in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no w in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no v in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no v in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no . in font nullfont! p@2: Missing character: There is no T in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no . in font nullfont! p@2: p@2: Overfull \hbox (20.0pt too wide) in paragraph at lines 5--6 p@2: [] p@2: [] p@2: p@2: p@2: ! LaTeX Error: Missing \begin{document}. p@2: p@2: See the LaTeX manual or LaTeX Companion for explanation. p@2: Type H for immediate help. p@2: ... p@2: p@2: l.7 R p@2: ecommender systems can be classified in two groups: Content-based syste... p@2: p@2: You're in trouble here. Try typing to proceed. p@2: If that doesn't work, type X to quit. p@2: p@2: Missing character: There is no R in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no w in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no : in font nullfont! p@2: Missing character: There is no C in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no - in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no C in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no v in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no . in font nullfont! p@2: p@2: Overfull \hbox (20.0pt too wide) in paragraph at lines 7--8 p@2: [] p@2: [] p@2: p@2: ! 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Try typing to proceed. p@2: If that doesn't work, type X to quit. p@2: p@2: Missing character: There is no C in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no - in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no R in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no S in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no C in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no - in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no . in font nullfont! p@2: Missing character: There is no T in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no w in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no j in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no . in font nullfont! p@2: Missing character: There is no [ in font nullfont! p@2: \citation{Lops11} p@2: ! Undefined control sequence. p@2: ...: Citation `\@citeb ' on page \thepage p@2: \space undefined\on@line . p@2: l.10 ... of the user on this object. \cite{Lops11} p@2: p@2: The control sequence at the end of the top line p@2: of your error message was never \def'ed. If you have p@2: misspelled it (e.g., `\hobx'), type `I' and the correct p@2: spelling (e.g., `I\hbox'). Otherwise just continue, p@2: and I'll forget about whatever was undefined. p@2: p@2: p@2: LaTeX Warning: Citation `Lops11' on page undefined on input line 10. p@2: p@2: Missing character: There is no ] in font nullfont! p@2: p@2: Overfull \hbox (20.0pt too wide) in paragraph at lines 9--11 p@2: [] p@2: [] p@2: p@2: p@2: Overfull \hbox (5.43053pt too wide) in paragraph at lines 9--11 p@2: [] p@2: [] p@2: p@2: ! Undefined control sequence. p@2: l.12 \subsection p@2: {Collaborative filtering Recommender System} p@2: The control sequence at the end of the top line p@2: of your error message was never \def'ed. If you have p@2: misspelled it (e.g., `\hobx'), type `I' and the correct p@2: spelling (e.g., `I\hbox'). Otherwise just continue, p@2: and I'll forget about whatever was undefined. p@2: p@2: p@2: ! LaTeX Error: Missing \begin{document}. p@2: p@2: See the LaTeX manual or LaTeX Companion for explanation. p@2: Type H for immediate help. p@2: ... p@2: p@2: l.12 \subsection{C p@2: ollaborative filtering Recommender System} p@2: You're in trouble here. Try typing to proceed. p@2: If that doesn't work, type X to quit. p@2: p@2: Missing character: There is no C in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no v in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no R in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no S in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no I in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no v in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no , in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no w in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no ' in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no . in font nullfont! p@2: Missing character: There is no A in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no k in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no . in font nullfont! p@2: Missing character: There is no [ in font nullfont! p@2: \citation{Burke02} p@2: ! Undefined control sequence. p@2: ...: Citation `\@citeb ' on page \thepage p@2: \space undefined\on@line . p@2: l.13 ...atings to make predictions. \cite{Burke02} p@2: p@2: The control sequence at the end of the top line p@2: of your error message was never \def'ed. If you have p@2: misspelled it (e.g., `\hobx'), type `I' and the correct p@2: spelling (e.g., `I\hbox'). Otherwise just continue, p@2: and I'll forget about whatever was undefined. p@2: p@2: p@2: LaTeX Warning: Citation `Burke02' on page undefined on input line 13. p@2: p@2: Missing character: There is no ] in font nullfont! p@2: p@2: Overfull \hbox (20.0pt too wide) in paragraph at lines 12--14 p@2: [] p@2: [] p@2: p@2: p@2: Overfull \hbox (5.43053pt too wide) in paragraph at lines 12--14 p@2: [] p@2: [] p@2: p@2: ! Undefined control sequence. p@2: l.15 \subsection p@2: {Hybrid Recommender Systems} p@2: The control sequence at the end of the top line p@2: of your error message was never \def'ed. If you have p@2: misspelled it (e.g., `\hobx'), type `I' and the correct p@2: spelling (e.g., `I\hbox'). Otherwise just continue, p@2: and I'll forget about whatever was undefined. p@2: p@2: p@2: ! LaTeX Error: Missing \begin{document}. p@2: p@2: See the LaTeX manual or LaTeX Companion for explanation. p@2: Type H for immediate help. p@2: ... p@2: p@2: l.15 \subsection{H p@2: ybrid Recommender Systems} p@2: You're in trouble here. Try typing to proceed. p@2: If that doesn't work, type X to quit. p@2: p@2: Missing character: There is no H in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no R in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no S in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no H in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no q in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no v in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no , in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no v in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no v in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no . in font nullfont! p@2: Missing character: There is no T in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no j in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no g in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no . in font nullfont! p@2: Missing character: There is no [ in font nullfont! p@2: \citation{Yoshii08} p@2: ! Undefined control sequence. p@2: ...: Citation `\@citeb ' on page \thepage p@2: \space undefined\on@line . p@2: l.16 ...pectral features of audio. \cite{Yoshii08} p@2: p@2: The control sequence at the end of the top line p@2: of your error message was never \def'ed. If you have p@2: misspelled it (e.g., `\hobx'), type `I' and the correct p@2: spelling (e.g., `I\hbox'). Otherwise just continue, p@2: and I'll forget about whatever was undefined. p@2: p@2: p@2: LaTeX Warning: Citation `Yoshii08' on page undefined on input line 16. p@2: p@2: Missing character: There is no ] in font nullfont! p@2: p@2: Overfull \hbox (20.0pt too wide) in paragraph at lines 15--17 p@2: [] p@2: [] p@2: p@2: p@2: Overfull \hbox (5.43053pt too wide) in paragraph at lines 15--17 p@2: [] p@2: [] p@2: p@2: ! Undefined control sequence. p@2: l.18 \section p@2: {Online Social Networks} p@2: The control sequence at the end of the top line p@2: of your error message was never \def'ed. If you have p@2: misspelled it (e.g., `\hobx'), type `I' and the correct p@2: spelling (e.g., `I\hbox'). Otherwise just continue, p@2: and I'll forget about whatever was undefined. p@2: p@2: p@2: ! LaTeX Error: Missing \begin{document}. p@2: p@2: See the LaTeX manual or LaTeX Companion for explanation. p@2: Type H for immediate help. p@2: ... p@2: p@2: l.18 \section{O p@2: nline Social Networks} p@2: You're in trouble here. Try typing to proceed. p@2: If that doesn't work, type X to quit. p@2: p@2: Missing character: There is no O in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no S in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no N in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no w in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no k in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no S in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no w in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no k in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no ( in font nullfont! p@2: Missing character: There is no S in font nullfont! p@2: Missing character: There is no N in font nullfont! p@2: Missing character: There is no S in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no ) in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no â in font nullfont! p@2: Missing character: There is no € in font nullfont! p@2: Missing character: There is no ś in font nullfont! p@2: Missing character: There is no w in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no - in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no v in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no w in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no v in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no ( in font nullfont! p@2: Missing character: There is no 1 in font nullfont! p@2: Missing character: There is no ) in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no - in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no w in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no , in font nullfont! p@2: Missing character: There is no ( in font nullfont! p@2: Missing character: There is no 2 in font nullfont! p@2: Missing character: There is no ) in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no w in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no w in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no , in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no ( in font nullfont! p@2: Missing character: There is no 3 in font nullfont! p@2: Missing character: There is no ) in font nullfont! p@2: Missing character: There is no v in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no w in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no v in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no w in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no â in font nullfont! p@2: Missing character: There is no € in font nullfont! p@2: Missing character: There is no ť in font nullfont! p@2: Missing character: There is no [ in font nullfont! p@2: \citation{JCC4:JCC4393} p@2: ! Undefined control sequence. p@2: ...: Citation `\@citeb ' on page \thepage p@2: \space undefined\on@line . p@2: l.19 ...s within the system” \cite{JCC4:JCC4393} p@2: . p@2: The control sequence at the end of the top line p@2: of your error message was never \def'ed. If you have p@2: misspelled it (e.g., `\hobx'), type `I' and the correct p@2: spelling (e.g., `I\hbox'). Otherwise just continue, p@2: and I'll forget about whatever was undefined. p@2: p@2: p@2: LaTeX Warning: Citation `JCC4:JCC4393' on page undefined on input line 19. p@2: p@2: Missing character: There is no ] in font nullfont! p@2: Missing character: There is no . in font nullfont! p@2: p@2: Overfull \hbox (20.0pt too wide) in paragraph at lines 18--20 p@2: [] p@2: [] p@2: p@2: p@2: Overfull \hbox (5.43053pt too wide) in paragraph at lines 18--20 p@2: [] p@2: [] p@2: p@2: ! Undefined control sequence. p@2: l.21 \subsection p@2: {APIs} p@2: The control sequence at the end of the top line p@2: of your error message was never \def'ed. If you have p@2: misspelled it (e.g., `\hobx'), type `I' and the correct p@2: spelling (e.g., `I\hbox'). Otherwise just continue, p@2: and I'll forget about whatever was undefined. p@2: p@2: p@2: ! LaTeX Error: Missing \begin{document}. p@2: p@2: See the LaTeX manual or LaTeX Companion for explanation. p@2: Type H for immediate help. p@2: ... p@2: p@2: l.21 \subsection{A p@2: PIs} p@2: You're in trouble here. Try typing to proceed. p@2: If that doesn't work, type X to quit. p@2: p@2: Missing character: There is no A in font nullfont! p@2: Missing character: There is no P in font nullfont! p@2: Missing character: There is no I in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no T in font nullfont! p@2: Missing character: There is no h in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no y in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no v in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no b in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no d in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no m in font nullfont! p@2: Missing character: There is no u in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no p in font nullfont! p@2: Missing character: There is no r in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no f in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no s in font nullfont! p@2: Missing character: There is no o in font nullfont! p@2: Missing character: There is no c in font nullfont! p@2: Missing character: There is no i in font nullfont! p@2: Missing character: There is no a in font nullfont! p@2: Missing character: There is no l in font nullfont! p@2: Missing character: There is no n in font nullfont! p@2: Missing character: There is no e in font nullfont! p@2: Missing character: There is no t in font nullfont! p@2: Missing character: There is no w in font nullfont! 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p@2: Missing character: There is no ( in font nullfont! p@2: Missing character: There is no A in font nullfont! p@2: Missing character: There is no P in font nullfont! p@2: Missing character: There is no I in font nullfont! p@2: Missing character: There is no ) in font nullfont! p@2: Missing character: There is no . in font nullfont! p@2: p@2: Overfull \hbox (20.0pt too wide) in paragraph at lines 21--23 p@2: [] p@2: [] p@2: p@2: ! Undefined control sequence. p@2: l.24 \section p@2: {Data Fusion Techniques} p@2: The control sequence at the end of the top line p@2: of your error message was never \def'ed. If you have p@2: misspelled it (e.g., `\hobx'), type `I' and the correct p@2: spelling (e.g., `I\hbox'). Otherwise just continue, p@2: and I'll forget about whatever was undefined. p@2: p@2: p@2: ! LaTeX Error: Missing \begin{document}. p@2: p@2: See the LaTeX manual or LaTeX Companion for explanation. p@2: Type H for immediate help. p@2: ... p@2: p@2: l.24 \section{D p@2: ata Fusion Techniques} p@2: You're in trouble here. 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Emergency stop. p@2: <*> ch2.tex p@2: p@2: *** (job aborted, no legal \end found) p@2: p@2: p@2: Here is how much of TeX's memory you used: p@2: 13 strings out of 493698 p@2: 133 string characters out of 3144412 p@2: 52149 words of memory out of 3000000 p@2: 3438 multiletter control sequences out of 15000+200000 p@2: 3948 words of font info for 15 fonts, out of 3000000 for 9000 p@2: 1025 hyphenation exceptions out of 8191 p@2: 20i,2n,26p,367b,93s stack positions out of 5000i,500n,10000p,200000b,50000s p@2: ! ==> Fatal error occurred, no output PDF file produced!