Journal of Natural Language Processing
Online ISSN : 2185-8314
Print ISSN : 1340-7619
ISSN-L : 1340-7619
Automatic Construction of Japanese-Chinese Translation Dictionary Using English as Intermediary
YUJIE ZHANGQING MAHITOSHI ISAHARA
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JOURNAL FREE ACCESS

2005 Volume 12 Issue 2 Pages 63-85

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Abstract
Electronic translation dictionaries are indispensable language resources in machine translation, cross-language information retrieval, and e-learning.Many electronic dictionaries that translate between English and one other language have been thoroughly developed, while the ones between two languages other than English are still lacking.Because the construction of an electronic translation dictionary is usually expensive and time-consuming, a method must be developed for automatically constructing a translation dictionary for new language pairs by using the existing translation resources between English and other languages.This paper describes our research on constructing a Japanese-Chinese translation dictionary from two existing dictionaries, the EDR Japanese-English and LDC English-Chinese dictionaries, using English as intermediary.In automatic acquisition of bilingual lexicons, one major issue is how to select correct translations from among a large number of candidates. We have developed a method of ranking candidate translations by utilizing three sources of information, the number of English translations in common, the part of speech, and Japanese kanji information.We evaluated the method on 109 Japanese words, each of which has over 20 candidate Chinese translations.The proposed method achieved 81.4% precision.
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