This is a Perl module that implements a variety of semantic similarity and relatedness measures based on information found in the lexical database WordNet. In particular, it supports the measures of Resnik, Lin, Jiang-Conrath, Leacock-Chodorow, Hirst-St.Onge, Wu-Palmer, Banerjee-Pedersen, and Patwardhan-Pedersen.

We have a mailing list designed to support users of WordNet::Similarity.

Want to report a bug or request a feature? Do that here!

Try the Web Interface here (production) or here (backup) (both are version 2.07)

Download the Current Version (v2.07, released October 4, 2015) from CPAN or Sourceforge

Version Dependencies of WordNet::Similarity

Please note version numbers, they must be exactly as shown.

Bibliography (papers by users of WordNet::Similarity)

Publications (our papers about WordNet::Similarity)

WordNet::Similarity Development Team

WordNet::Similarity Contributors


The development of WordNet::Similarity has been supported by a National Science Foundation Faculty Early Career Development (CAREER) Program award (#0092784, 2001-2007), by a Grant in Aid of Research, Artistry and Scholarship from the Graduate School of the University of Minnesota (2003-2004), and by the Digital Technology Initiative of the Digital Technology Center of the University of Minnesota (2004-2005).

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By: Ted Pedersen - tpederse AT d umn edu