Hirofumi Yamamoto

Also published as: Hirohumi Yamamoto


2009

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Reordering Model Using Syntactic Information of a Source Tree for Statistical Machine Translation
Kei Hashimoto | Hirohumi Yamamoto | Hideo Okuma | Eiichiro Sumita | Keiichi Tokuda
Proceedings of the Third Workshop on Syntax and Structure in Statistical Translation (SSST-3) at NAACL HLT 2009

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On the Importance of Pivot Language Selection for Statistical Machine Translation
Michael Paul | Hirofumi Yamamoto | Eiichiro Sumita | Satoshi Nakamura
Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics, Companion Volume: Short Papers

2008

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Method of Selecting Training Data to Build a Compact and Efficient Translation Model
Keiji Yasuda | Ruiqiang Zhang | Hirofumi Yamamoto | Eiichiro Sumita
Proceedings of the Third International Joint Conference on Natural Language Processing: Volume-II

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Imposing Constraints from the Source Tree on ITG Constraints for SMT
Hirofumi Yamamoto | Hideo Okuma | Eiichiro Sumita
Proceedings of the ACL-08: HLT Second Workshop on Syntax and Structure in Statistical Translation (SSST-2)

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Multilingual Mobile-Phone Translation Services for World Travelers
Michael Paul | Hideo Okuma | Hirofumi Yamamoto | Eiichiro Sumita | Shigeki Matsuda | Tohru Shimizu | Satoshi Nakamura
Coling 2008: Companion volume: Demonstrations

2007

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Bilingual Cluster Based Models for Statistical Machine Translation
Hirofumi Yamamoto | Eiichiro Sumita
Proceedings of the 2007 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL)

2004

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A Unified Approach in Speech-to-Speech Translation: Integrating Features of Speech recognition and Machine Translation
Ruiqiang Zhang | Genichiro Kikui | Hirofumi Yamamoto | Frank Soong | Taro Watanabe | Wai Kit Lo
COLING 2004: Proceedings of the 20th International Conference on Computational Linguistics

2003

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Adaptation Using Out-of-Domain Corpus within EBMT
Takao Doi | Eiichiro Sumita | Hirofumi Yamamoto
Companion Volume of the Proceedings of HLT-NAACL 2003 - Short Papers

2002

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Finding Translation Pairs from English-Japanese Untokenized Aligned Corpora
Genichiro Kikui | Hirofumi Yamamoto
Proceedings of the ACL-02 Workshop on Speech-to-Speech Translation: Algorithms and Systems

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Toward a Broad-coverage Bilingual Corpus for Speech Translation of Travel Conversations in the Real World
Toshiyuki Takezawa | Eiichiro Sumita | Fumiaki Sugaya | Hirofumi Yamamoto | Seiichi Yamamoto
Proceedings of the Third International Conference on Language Resources and Evaluation (LREC’02)

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Language Model Adaptation with Additional Text Generated by Machine Translation
Hideharu Nakajima | Hirofumi Yamamoto | Taro Watanabe
COLING 2002: The 19th International Conference on Computational Linguistics

2001

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Multi-Class Composite N-gram Language Model for Spoken Language Processing Using Multiple Word Clusters
Hirofumi Yamamoto | Shuntaro Isogai | Yoshinori Sagisaka
Proceedings of the 39th Annual Meeting of the Association for Computational Linguistics