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Building and using comparable corpora for domain-specific bilingual lexicon extraction (CROSBI ID 581482)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Fišer, Darja ; Ljubešić, Nikola ; Vintar, Špela ; Pollak, Senja Building and using comparable corpora for domain-specific bilingual lexicon extraction // 4th Workshop on Building and Using Comparable Corpora: Comparable Corpora and the Web. Portland (ME): Association for Computational Linguistics (ACL), 2011. str. 19-26

Podaci o odgovornosti

Fišer, Darja ; Ljubešić, Nikola ; Vintar, Špela ; Pollak, Senja

engleski

Building and using comparable corpora for domain-specific bilingual lexicon extraction

This paper presents a series of experiments aimed at inducing and evaluating domain- specific bilingual lexica from comparable corpora. First, a small English-Slovene comparable corpus from health magazines was manually constructed and then used to compile a large comparable corpus on health-related topics from web corpora. Next, a bilingual lexicon for the domain was extracted from the corpus by comparing context vectors in the two languages. Evaluation of the results shows that a 2-way translation of context vectors significantly improves precision of the extracted translation equivalents. We also show that it is sufficient to increase the corpus for one language in order to obtain a higher recall, and that the increase of the number of new words is linear in the size of the corpus. Finally, we demonstrate that by lowering the frequency threshold for context vectors, the drop in precision is much slower than the increase of recall.

comparable corpora; bilingual lexicon extraction; domain lexicons

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Podaci o prilogu

19-26.

2011.

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objavljeno

Podaci o matičnoj publikaciji

4th Workshop on Building and Using Comparable Corpora: Comparable Corpora and the Web

Portland (ME): Association for Computational Linguistics (ACL)

Podaci o skupu

4th Workshop on Building and Using Comparable Corpora: Comparable Corpora and the Web

predavanje

24.07.2011-24.07.2011

Portland (OR), Sjedinjene Američke Države

Povezanost rada

Informacijske i komunikacijske znanosti

Poveznice