Salmon Run

Swimming upstream on the technology tide, one technology at a time. A collection of articles, tips, and random musings on application development and system design.

Showing posts with label cosine-similarity. Show all posts

Showing posts with label cosine-similarity. Show all posts

Wednesday, September 18, 2013

Calculating Centroid and Cosine Similarity with Sparse Vectors

I was building a simple topic tagger recently, which involved calculating the centroid for a group of documents in a cluster, and then calc...

Friday, May 03, 2013

Inter-Document Similarity with Scikit-Learn and NLTK

Someone recently asked me about using Python to calculate document similarity across text documents. The application had to do with cheatin...

Saturday, September 27, 2008

IR Math with Java : Similarity Measures

Last week, I wrote about building term document matrices based on Dr. Manu Konchady's Text Mining Application Programming book. This we...

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About me

Sujit Pal: I am a programmer interested in Semantic Search, Ontology, Natural Language Processing and Machine Learning. My programming languages of choice are Java, Scala, and Python. I love solving problems and exploring different possibilities with open source tools and frameworks.

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