GitHub - RaRe-Technologies/gensim: Topic Modelling for Humans

Gensim is a Python library for topic modelling, document indexing and similarity retrieval with large corpora. Target audience is the natural language processing (NLP) and information retrieval (IR) community. If this feature list left you scratching your head, you can first read more about the Vector Space Model and unsupervised document analysis on Wikipedia. This software depends on NumPy and Scipy, two Python packages for scientific computing. You must have them installed prior to installing gensim.