The Similarity Library aims at providing developers with a library for assessing similarity both between words and sentences. This library in an extension of the JWSL (Java WordNet Similarity Library). In the current implementation, there are two categories of similarity measures between words: measures exploiting ontologies such as WordNet, MeSH or the Gene Ontology measures…
What is Semantic Similarity? Definition of Semantic Similarity: A concept whereby a set of documents or terms within term lists are assigned a metric based on the likeness of their meaning/semantic content. ( Wikipedia, 2012e ).
D. Ramage, A. Rafferty, and C. Manning. Proceedings of the 2009 Workshop on Graph-based Methods for Natural Language Processing, page 23--31. Stroudsburg, PA, USA, Association for Computational Linguistics, (2009)