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Bilingual lexicon extraction: using and enriching multilingual thesauri

Hervé Dejean, Eric Gaussier, Fatia Sadat
This paper focuses on exploiting different models and methods in bilingual lexicon extraction, either from parallel or comparable corpora, in specialized domains. First, a special attention is given to the use of multilingual thesauri, and different search strategies based on such thesauri are investigated. Then, a method to combine the different models for bilingual lexicon extraction is presented. Our results show that the combination of the models significantly improves results, and that the use of hierarchical information contained in our thesaurus, UMLS/MeSH, is of primary importance. Lastly, methods for bilingual terminology extraction and thesaurus enrichment are discussed.
Proc. of Terminology Knowledge Extraction, Nancy, France, August 25-30, 2002.


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