TAILIEUCHUNG - Báo cáo khoa học: "Simultaneous English-Japanese Spoken Language Translation Based on Incremental Dependency Parsing and Transfer"

This paper proposes a method for incrementally translating English spoken language into Japanese. To realize simultaneous translation between languages with different word order, such as English and Japanese, our method utilizes the feature that the word order of a target language is flexible. | Simultaneous English-Japanese Spoken Language Translation Based on Incremental Dependency Parsing and Transfer Koichiro Ryu Graduate School of Information Science Nagoya University Furo-cho Chikusa-ku Nagoya 464-8601 Japan ryu@ Shigeki Matsubara Information Technology Center Nagoya University Furo-cho Chikusa-ku Nagoya 464-8601 Japan .jp Yasuyoshi Inagaki Faculty of Information Science and Technology Aichi Prefectural University Nagakute-cho Aichi-gun Aichi-ken 480-1198 Japan Abstract This paper proposes a method for incrementally translating English spoken language into Japanese. To realize simultaneous translation between languages with different word order such as English and Japanese our method utilizes the feature that the word order of a target language is flexible. To resolve the problem of generating a grammatically incorrect sentence our method uses dependency structures and Japanese dependency constraints to determine the word order of a translation. Moreover by considering the fact that the inversion of predicate expressions occurs more frequently in Japanese spoken language our method takes advantage of a predicate inversion to resolve the problem that Japanese has the predicate at the end of a sentence. Furthermore our method includes the function of canceling an inversion by restating a predicate when the translation is incomprehensible due to the inversion. We implement a prototype translation system and conduct an experiment with all 578 sentences in the ATIS corpus. The results indicate improvements in comparison to two other methods. 1 Introduction Recently speech-to-speech translation has become one of the important research topics in machine translation. Projects concerning speech translation such as TC-STAR Hoge 2002 and DARPA Babylon have been executed and conferences on spoken language translation such as IWSLT have been held. Though some speech translation systems have been developed so far Frederking et al. 2002 Isotani et

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