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1 #formal concept analysis
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2
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3 import rdflib
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4 from rdflib import plugin, OWL, URIRef
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5 from rdflib.graph import Graph
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6 from rdflib.namespace import Namespace
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7
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8 execfile('/Users/alo/MusicOntology/features/fca/writeHTML.py')
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9
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10 plugin.register(
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11 'sparql', rdflib.query.Processor,
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12 'rdfextras.sparql.processor', 'Processor')
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13 plugin.register(
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14 'sparql', rdflib.query.Result,
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15 'rdfextras.sparql.query', 'SPARQLQueryResult')
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16
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17 graph = Graph()
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18 graph.parse('/Users/alo/MusicOntology/features/featuresCatalogue.rdf')
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19
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20 # conceptual scaling of many-valued feature attributes: complexity - low, medium, high
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21 # must be transformed into one-valued context: complexity-low, complexity-medium, complexity-high
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22 atmatrix = []
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23
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24 #which attributes/categories to include
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25 cat = ["appdomain", "complexity", "computation", "dimensions", "domain", "level", "temporalscale", "computedIn", "tag"]
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26 catdict = {}
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27
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28 for name in cat:
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29 catdict[name] = []
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30
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31 atcols = []
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32 atrows = []
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33
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34 #traverse all items of type OWL.Class and then for each class the attributes in the dictionary and enumerate all the possible values
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35 for s, p, o in graph.triples((None, None, OWL.Class)):
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36 row = s.split('/')[-1]
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37 if atrows.count(row) == 0:
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38 atrows.append(row)
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39 for su, pr, ob in graph.triples((s, None, None)):
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40 col = pr.split('/')[-1]
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41 if cat.count(col) != 0:
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42 if catdict[col].count(ob) == 0:
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43 atcols.append(col+"-"+ob)
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44 catdict[col].append(ob)
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45
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46
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47 atrows.sort()
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48 atcols.sort()
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49
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50 #construct the matrix
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51 for i in range(len(atrows)):
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52 atrow = []
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53 for j in range(len(atcols)):
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54 atrow.append(0)
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55 atmatrix.append(atrow)
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56
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57
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58 for ns, value in graph.namespaces():
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59 if ns == 'local':
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60 local = value
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61
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62 index = 0
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63 for feature in atrows:
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64 for s, p, o in graph.triples((URIRef(local+feature), None, None)):
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65 col = p.split('/')[-1]
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66 if cat.count(col) != 0:
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67 atmatrix[index][atcols.index(col+"-"+o)] = 1
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68 index += 1
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69
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70 #writeHTML('atmatrix.html', atmatrix, atcols, atrows)
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71 #writeWikiTable('fcamatrixWiki.txt', atmatrix, atcols, atrows)
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72
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73 #writeCXT('atmatrix.cxt', atmatrix, atcols, atrows)
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74 writeFIMI('atmatrix.fimi', atmatrix, atcols, atrows)
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75
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76
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