A collection of projects in python looking at semantics. Mostly orientated around search.

• Vector space search – http://blog.josephwilk.net/projects/building-a-vector-space-search-engine-in-python.html
• Latent semantic analysis – http://blog.josephwilk.net/projects/latent-semantic-analysis-in-python.html

• Probabilistic Latent semantic analysis.
• Latent Dirchlet allocation

• Porter Stemmer – http://tartarus.org/~martin/PorterStemmer/python.txt
• English stop list – ftp://ftp.cs.cornell.edu/pub/smart/english.stop
• Scipy – http://www.scipy.org/