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  Towards a Universal Wordnet by Learning from Combined Evidenc

de Melo, G., & Weikum, G.(2009). Towards a Universal Wordnet by Learning from Combined Evidenc (MPI-I-2009-5-005). Saarbrücken: Max-Planck-Institut für Informatik.

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 Creators:
de Melo, Gerard1, Author           
Weikum, Gerhard1, Author           
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1Databases and Information Systems, MPI for Informatics, Max Planck Society, ou_24018              

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 Abstract: Lexical databases are invaluable sources of knowledge about words and their meanings, with numerous applications in areas like NLP, IR, and AI. We propose a methodology for the automatic construction of a large-scale multilingual lexical database where words of many languages are hierarchically organized in terms of their meanings and their semantic relations to other words. This resource is bootstrapped from WordNet, a well-known English-language resource. Our approach extends WordNet with around 1.5 million meaning links for 800,000 words in over 200 languages, drawing on evidence extracted from a variety of resources including existing (monolingual) wordnets, (mostly bilingual) translation dictionaries, and parallel corpora. Graph-based scoring functions and statistical learning techniques are used to iteratively integrate this information and build an output graph. Experiments show that this wordnet has a high level of precision and coverage, and that it can be useful in applied tasks such as cross-lingual text classification.

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Language(s): eng - English
 Dates: 2009
 Publication Status: Issued
 Pages: 32 p.
 Publishing info: Saarbrücken : Max-Planck-Institut für Informatik
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 Identifiers: URI: http://domino.mpi-inf.mpg.de/internet/reports.nsf/NumberView/2009-5-005
Report Nr.: MPI-I-2009-5-005
BibTex Citekey: deMeloWeikum2009
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