The Bayes Net Toolbox for Matlab was written by Kevin Patrick Murphy et al.
This version (FullBNT_1.0.6) was last updated on 5/9/2010, by Wei Sun. 

BNT has moved to bnt.googlecode.com, in Jan. 2010.
To download the latest version, and to get documentation, please go to
   http://code.google.com/p/bnt/
