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Paraphrasing depending on Bilingual Context Toward Generalization of Translation Knowledge
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- Authors
- Young-Sook Hwang, Young Kil Kim, Sang Kyu Park
- Issue Date
- 2008-01
- Citation
- International Joint Conference on Natural Language Processing (IJCNLP) 2008, pp.327-334
- Language
- English
- Type
- Conference Paper
- Abstract
- This study presents a method to automatically acquire paraphrases using bilingual corpora, which utilizes the bilingual dependency relations obtained by projecting a monolingual dependency parse onto the other language sentence based on statistical alignment techniques. Since the paraphrasing method is capable of clearly disambiguating the sense of an original phrase using the bilingual context of dependency relation, it would be possible to obtain interchangeable paraphrases under a given context. Also, we provide an advanced method to acquire generalized translation knowledge using the extracted paraphrases. We applied the method to acquire the generalized translation knowledge for KoreanEnglish translation. Through experiments with parallel corpora of a Korean and English language pairs, we show that our paraphrasing method effectively extracts paraphrases with high precision, 94.3% and 84.6% respectively for Korean and English, and the translation knowledge extracted from the bilingual corpora could be generalized successfully using the paraphrases with the 12.5% compression ratio.
- KSP Keywords
- Bilingual corpora, Dependency Parse, Dependency Relations, English Language, Generalized translation, Parallel corpora, Statistical alignment, compression ratio, high-precision