Hajime Tsukada

According to our database, Hajime Tsukada authored at least 53 papers between 1996 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Analysis on Unsupervised Acquisition Process of Bilingual Vocabulary through Iterative Back-Translation.

Takuma Tanigawa, Tomoyosi Akiba, Hajime Tsukada

Proceedings of the 2024 Joint International Conference on Computational Linguistics, 2024

2020

English-Japanese Machine Translation for Lecture Subtitles using Back-Translation and Transfer Learning.

Yuuki Yamagishi, Tomoyosi Akiba, Hajime Tsukada

Proceedings of the 9th IEEE Global Conference on Consumer Electronics, 2020

2015

Improvement of word alignment models for Vietnamese-to-English translation.

Takahiro Nomura, Hajime Tsukada, Tomoyoshi Akiba

Proceedings of the 12th International Workshop on Spoken Language Translation: Evaluation Campaign@IWSLT 2015, 2015

2014

The NAIST-NTT TED talk treebank.

Graham Neubig, Katsuhito Sudoh, Yusuke Oda, Kevin Duh, Hajime Tsukada, Masaaki Nagata

Proceedings of the 11th International Workshop on Spoken Language Translation: Papers, 2014

2013

Syntax-Based Post-Ordering for Efficient Japanese-to-English Translation.

Katsuhito Sudoh, Xianchao Wu, Kevin Duh, Hajime Tsukada, Masaaki Nagata

ACM Trans. Asian Lang. Inf. Process., 2013

NTT-NII Statistical Machine Translation for NTCIR-10 PatentMT.

Katsuhito Sudoh, Jun Suzuki, Hajime Tsukada, Masaaki Nagata, Sho Hoshino, Yusuke Miyao

Proceedings of the 10th NTCIR Conference on Evaluation of Information Access Technologies, 2013

NTT-NAIST SMT systems for IWSLT 2013.

Katsuhito Sudoh, Graham Neubig, Kevin Duh, Hajime Tsukada

Proceedings of the 10th International Workshop on Spoken Language Translation: Evaluation Campaign@IWSLT 2013, 2013

Shift-Reduce Word Reordering for Machine Translation.

Katsuhiko Hayashi, Katsuhito Sudoh, Hajime Tsukada, Jun Suzuki, Masaaki Nagata

Proceedings of the 2013 Conference on Empirical Methods in Natural Language Processing, 2013

Adaptation Data Selection using Neural Language Models: Experiments in Machine Translation.

Kevin Duh, Graham Neubig, Katsuhito Sudoh, Hajime Tsukada

Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics, 2013

2012

HPSG-Based Preprocessing for English-to-Japanese Translation.

Hideki Isozaki, Katsuhito Sudoh, Hajime Tsukada, Kevin Duh

ACM Trans. Asian Lang. Inf. Process., 2012

Head Finalization Reordering for Chinese-to-Japanese Machine Translation.

Dan Han, Katsuhito Sudoh, Xianchao Wu, Kevin Duh, Hajime Tsukada, Masaaki Nagata

Proceedings of the Sixth Workshop on Syntax, 2012

A Comparative Study of Target Dependency Structures for Statistical Machine Translation.

Xianchao Wu, Katsuhito Sudoh, Kevin Duh, Hajime Tsukada, Masaaki Nagata

Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics, Proceedings of the Conference, July 8-14, 2012, Jeju Island, Korea, 2012

Learning to Translate with Multiple Objectives.

Kevin Duh, Katsuhito Sudoh, Xianchao Wu, Hajime Tsukada, Masaaki Nagata

Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics, Proceedings of the Conference, July 8-14, 2012, Jeju Island, Korea, 2012

2011

Automatic Error Analysis Based on Grammatical Questions.

Tomoki Nagase, Hajime Tsukada, Katsunori Kotani, Nobutoshi Hatanaka, Yoshiyuki Sakamoto

Proceedings of the 25th Pacific Asia Conference on Language, Information and Computation, 2011

NTT-UT Statistical Machine Translation in NTCIR-9 PatentMT.

Katsuhito Sudoh, Kevin Duh, Hajime Tsukada, Masaaki Nagata, Xianchao Wu, Takuya Matsuzaki, Jun'ichi Tsujii

Proceedings of the 9th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2011

Learning of Linear Ordering Problems and its Application to J-E Patent Translation in NTCIR-9 PatentMT.

Shuhei Kondo, Mamoru Komachi, Yuji Matsumoto, Katsuhito Sudoh, Kevin Duh, Hajime Tsukada

Proceedings of the 9th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2011

Extracting Pre-ordering Rules from Chunk-based Dependency Trees for Japanese-to-English Translation.

Xianchao Wu, Katsuhito Sudoh, Kevin Duh, Hajime Tsukada, Masaaki Nagata

Proceedings of Machine Translation Summit XIII: Papers, 2011

Post-ordering in Statistical Machine Translation.

Katsuhito Sudoh, Xianchao Wu, Kevin Duh, Hajime Tsukada, Masaaki Nagata

Proceedings of Machine Translation Summit XIII: Papers, 2011

Alignment Inference and Bayesian Adaptation for Machine Translation.

Kevin Duh, Katsuhito Sudoh, Tomoharu Iwata, Hajime Tsukada

Proceedings of Machine Translation Summit XIII: Papers, 2011

Extracting Pre-ordering Rules from Predicate-Argument Structures.

Xianchao Wu, Katsuhito Sudoh, Kevin Duh, Hajime Tsukada, Masaaki Nagata

Proceedings of the Fifth International Joint Conference on Natural Language Processing, 2011

Generalized Minimum Bayes Risk System Combination.

Kevin Duh, Katsuhito Sudoh, Xianchao Wu, Hajime Tsukada, Masaaki Nagata

Proceedings of the Fifth International Joint Conference on Natural Language Processing, 2011

2010

Divide and Translate: Improving Long Distance Reordering in Statistical Machine Translation.

Katsuhito Sudoh, Kevin Duh, Hajime Tsukada, Tsutomu Hirao, Masaaki Nagata

Proceedings of the Joint Fifth Workshop on Statistical Machine Translation and MetricsMATR, 2010

Head Finalization: A Simple Reordering Rule for SOV Languages.

Hideki Isozaki, Katsuhito Sudoh, Hajime Tsukada, Kevin Duh

Proceedings of the Joint Fifth Workshop on Statistical Machine Translation and MetricsMATR, 2010

N-Best Reranking by Multitask Learning.

Kevin Duh, Katsuhito Sudoh, Hajime Tsukada, Hideki Isozaki, Masaaki Nagata

Proceedings of the Joint Fifth Workshop on Statistical Machine Translation and MetricsMATR, 2010

NTT statistical machine translation system for IWSLT 2010.

Katsuhito Sudoh, Kevin Duh, Hajime Tsukada

Proceedings of the 2010 International Workshop on Spoken Language Translation, 2010

Analysis of translation model adaptation in statistical machine translation.

Kevin Duh, Katsuhito Sudoh, Hajime Tsukada

Proceedings of the 2010 International Workshop on Spoken Language Translation, 2010

Automatic Evaluation of Translation Quality for Distant Language Pairs.

Hideki Isozaki, Tsutomu Hirao, Kevin Duh, Katsuhito Sudoh, Hajime Tsukada

Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing, 2010

Hierarchical Phrase-based Machine Translation with Word-based Reordering Model.

Katsuhiko Hayashi, Hajime Tsukada, Katsuhito Sudoh, Kevin Duh, Seiichi Yamamoto

Proceedings of the COLING 2010, 2010

2009

Named Entity Recognition from Speech Using Discriminative Models and Speech Recognition Confidence.

Katsuhito Sudoh, Hajime Tsukada, Hideki Isozaki

J. Inf. Process., 2009

Structural support vector machines for log-linear approach in statistical machine translation.

Katsuhiko Hayashi, Taro Watanabe, Hajime Tsukada, Hideki Isozaki

Proceedings of the 2009 International Workshop on Spoken Language Translation, 2009

A Succinct N-gram Language Model.

Taro Watanabe, Hajime Tsukada, Hideki Isozaki

Proceedings of the ACL 2009, 2009

2008

NTT SMT System 2008 at NTCIR-7.

Taro Watanabe, Hajime Tsukada, Hideki Isozaki

Proceedings of the 7th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2008

NTT statistical machine translation system for IWSLT 2008.

Katsuhito Sudoh, Taro Watanabe, Jun Suzuki, Hajime Tsukada, Hideki Isozaki

Proceedings of the 2008 International Workshop on Spoken Language Translation, 2008

2007

Larger feature set approach for machine translation in IWSLT 2007.

Taro Watanabe, Jun Suzuki, Katsuhito Sudoh, Hajime Tsukada, Hideki Isozaki

Proceedings of the 2007 International Workshop on Spoken Language Translation, 2007

Online Large-Margin Training for Statistical Machine Translation.

Taro Watanabe, Jun Suzuki, Hajime Tsukada, Hideki Isozaki

Proceedings of the EMNLP-CoNLL 2007, 2007

2006

NTT System Description for the WMT2006 Shared Task.

Taro Watanabe, Hajime Tsukada, Hideki Isozaki

Proceedings of the Proceedings on the Workshop on Statistical Machine Translation, 2006

NTT statistical machine translation for IWSLT 2006.

Taro Watanabe, Jun Suzuki, Hajime Tsukada, Hideki Isozaki

Proceedings of the 2006 International Workshop on Spoken Language Translation, 2006

Discriminative named entity recognition of speech data using speech recognition confidence.

Katsuhito Sudoh, Hajime Tsukada, Hideki Isozaki

Proceedings of the Ninth International Conference on Spoken Language Processing, 2006

Left-to-Right Target Generation for Hierarchical Phrase-Based Translation.

Taro Watanabe, Hajime Tsukada, Hideki Isozaki

Proceedings of the ACL 2006, 2006

Incorporating Speech Recognition Confidence into Discriminative Named Entity Recognition of Speech Data.

Katsuhito Sudoh, Hajime Tsukada, Hideki Isozaki

Proceedings of the ACL 2006, 2006

2005

NTT's Japanese-English Cross-Language Question Answering System.

Hideki Isozaki, Katsuhito Sudoh, Hajime Tsukada

Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2005

The NTT statistical machine translation system for IWSLT2005.

Hajime Tsukada, Taro Watanabe, Jun Suzuki, Hideto Kazawa, Hideki Isozaki

Proceedings of the 2005 International Workshop on Spoken Language Translation, 2005

Tightly integrated spoken language understanding using word-to-concept translation.

Katsuhito Sudoh, Hajime Tsukada

Proceedings of the 9th European Conference on Speech Communication and Technology, 2005

Instance-Based Generation for Interactive Restricted Domain Question Answering Systems.

Matthias Denecke, Hajime Tsukada

Proceedings of the Natural Language Processing, 2005

2004

Efficient Decoding for Statistical Machine Translation with a Fully Expanded WFST Model.

Hajime Tsukada, Masaaki Nagata

Proceedings of the 2004 Conference on Empirical Methods in Natural Language Processing , 2004

2003

Spoken Interactive ODQA System: SPIQA.

Chiori Hori, Takaaki Hori, Hajime Tsukada, Hideki Isozaki, Yutaka Sasaki, Eisaku Maeda

Proceedings of the ACL 2003, 2003

2000

Cellular-phone based speech-to-speech translation system ATR-MATRIX.

Rainer Gruhn, Harald Singer, Hajime Tsukada, Masaki Naito, Atsushi Nishino, Atsushi Nakamura, Yoshinori Sagisaka, Satoshi Nakamura

Proceedings of the Sixth International Conference on Spoken Language Processing, 2000

1998

Reliable utterance segment recognition by integrating a grammar with statistical language constraints.

Hajime Tsukada, Hirofumi Yamamoto, Toshiyuki Takezawa, Yoshinori Sagisaka

Speech Commun., 1998

Grammatical word graph re-generation for spontaneous speech recognition.

Hajime Tsukada, Hirofumi Yamamoto, Toshiyuki Takezawa, Yoshinori Sagisaka

Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998

1997

ASR and TTS telecommunications applications in Japan.

Mikio Kitai, Kazuo Hakoda, Shigeki Sagayama, Tomokazu Yamada, Hajime Tsukada, Satoshi Takahashi, Yoshiaki Noda, Jun-ichi Takahashi, Yuki Yoshida, Kazuhiro Arai, Takashi Imoto, Tomohisa Hirokawa

Speech Commun., 1997

Integration of grammar and statistical language constraints for partial word-sequence recognition.

Hajime Tsukada, Hirofumi Yamamoto, Yoshinori Sagisaka

Proceedings of the Fifth European Conference on Speech Communication and Technology, 1997

Prosodic Features of Utterances in Task-Oriented Dialogues.

Shin'ya Nakajima, Hajime Tsukada

Proceedings of the Computing Prosody, 1997

1996

A left-to-right processing model of pausing in Japanese based on limited syntactic information.

Hajime Tsukada

Proceedings of the 4th International Conference on Spoken Language Processing, 1996