Dynamic Word Sense Disambiguation with Semantic Similarity

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Presentation transcript:

Dynamic Word Sense Disambiguation with Semantic Similarity Sam Zhang

Ontology - A web of knowledge organized in hierarchies  

Odd One Out Which of the following don't belong: Man Woman Tralfamadorian Boy Girl

Natural Language Toolkit Python module WordNet corpora

Wordnet: Lexical relations Synonym / Antonym Hypernym / Hyponym: X is a Y Meronym / Holonym: X is a part of Y

Heuristic Least common hypernym. Wu & Palmer Dynamic word sense disambiguation -- Which part of speech?  Which meaning?

Future Plans: OpenCyc Which of the following don't belong: Washington Jefferson Lincoln Palin

Sources Image: http://nltk.googlecode.com/svn/trunk/doc/book/ch02.html Wordnet: http://wordnet.princeton.edu NLTK: http://nltk.googlecode.com OpenCyc:  http://www.cyc.com/opencyc/overview Ontological semantics, a history and overview: http://crl.nmsu.edu/Staff.pages/Technical/sergei/book/realm.pdf

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