Peer-Reviewed Conference and Workshop Papers

Peer-reviewed international conference and workshop papers listed by year.

2025

  1. Yuka Ko, Katsuhito Sudoh, Satoshi Nakamura, Sakriani Sakti, Bridging Disfluent to Fluent in Speech Translation: Effective Tagging and Fine-Tuning Strategies, 2025 28th Conference of the Oriental COCOSDA International Committee for the Co-ordination and Standardisation of Speech Databases and Assessment Techniques (O-COCOSDA), pp. 1–6, 2025 (in Japanese) [link]
  2. Ryosuke Matsushita, Ryosuke Sakai, Koki Fukuda, Shinnosuke Takamichi, Kota Iura, Yuki Saito, Graham Neubig, Katsuhito Sudoh, Hiroya Takamura, Tatsuya Ishigaki, Measuring Time Delay Tolerance in Third-Person Live Commentary for Super Smash Bros. Ultimate, 2025 IEEE Conference on Games (CoG), pp. 1–4, 2025 [link]

2024

  1. Roman Koshkin, Katsuhito Sudoh, Satoshi Nakamura, TransLLaMa: LLM-based Simultaneous Translation System, Findings of the Association for Computational Linguistics: EMNLP 2024, pp. 461–476, 2024 [link]
  2. Roman Koshkin, Katsuhito Sudoh, Satoshi Nakamura, LLMs Are Zero-Shot Context-Aware Simultaneous Translators, Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing, pp. 1192–1207, 2024 [link]
  3. Kosuke Doi, Yuka Ko, Mana Makinae, Katsuhito Sudoh, Satoshi Nakamura, Word Order in English-Japanese Simultaneous Interpretation: Analyses and Evaluation using Chunk-wise Monotonic Translation, Proceedings of the 21st International Conference on Spoken Language Translation (IWSLT 2024), pp. 254–264, 2024 [link]
  4. Kosuke Doi, Katsuhito Sudoh, Satoshi Nakamura, Automated Essay Scoring Using Grammatical Variety and Errors with Multi-Task Learning and Item Response Theory, Proceedings of the 19th Workshop on Innovative Use of NLP for Building Educational Applications (BEA 2024), pp. 316–329, 2024
  5. Yoichi Ishibashi, Sho Yokoi, Katsuhito Sudoh, Satoshi Nakamura, Subspace Representations for Soft Set Operations and Sentence Similarities, Proceedings of the 2024 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (Volume 1: Long Papers), pp. 3512–3524, 2024 [link]
  6. Matthias Sperber, Ondřej Bojar, Barry Haddow, Dávid Javorský, Xutai Ma, Matteo Negri, Jan Niehues, Peter Polák, Elizabeth Salesky, Katsuhito Sudoh, Marco Turchi, Evaluating the IWSLT2023 Speech Translation Tasks: Human Annotations, Automatic Metrics, and Segmentation, Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING 2024), pp. 6484–6495, 2024
  7. Jinming Zhao, Katsuhito Sudoh, Satoshi Nakamura, Yuka Ko, Kosuke Doi, Ryo Fukuda, NAIST-SIC-Aligned: An Aligned English-Japanese Simultaneous Interpretation Corpus, Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING 2024), pp. 12046–12052, 2024

2023

  1. Yasumasa Kano, Katsuhito Sudoh, Satoshi Nakamura, Average Token Delay: A Latency Metric for Simultaneous Translation, INTERSPEECH 2023, 2023 [link]
  2. Yuka Ko, Ryo Fukuda, Yuta Nishikawa, Yasumasa Kano, Katsuhito Sudoh, Satoshi Nakamura, Tagged End-to-End Simultaneous Speech Translation Training using Simultaneous Interpretation Data, Proceedings of the 20th International Conference on Spoken Language Translation (IWSLT 2023), pp. 363–375, 2023 [link]
  3. Yoichi Ishibashi, Danushka Bollegala, Katsuhito Sudoh, Satoshi Nakamura, Evaluating the Robustness of Discrete Prompts, Proceedings of the 17th Conference of the European Chapter of the Association for Computational Linguistics (EACL 2023), 2023
  4. Yoshifumi Nakano, Takaaki Saeki, Shinnosuke Takamichi, Katsuhito Sudoh, Hiroshi Saruwatari, vTTS: visual-text to speech, Proceedings of the 2022 IEEE Spoken Language Technology Workshop (IEEE SLT 2022), 2023

2022

  1. Ryo Fukuda, Katsuhito Sudoh, Satoshi Nakamura, Speech Segmentation Optimization using Segmented Bilingual Speech Corpus for End-to-end Speech Translation, Proceedings of the 23rd Interspeech Conference (Interspeech 2022), pp. 121–125, 2022 [link]
  2. Yuya Nakano, Seiya Kawano, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura, Pseudo Ambiguous and Clarifying Questions Based on Sentence Structures Toward Clarifying Question Answering System, Proceedings of the Second DialDoc Workshop on Document-grounded Dialogue and Conversational Question Answering, pp. 31–40, 2022 [link]
  3. Yasumasa Kano, Katsuhito Sudoh, Satoshi Nakamura, Simultaneous Neural Machine Translation with Prefix Alignment, Proceedings of the 19th International Conference on Spoken Language Translation (IWSLT 2022), pp. 22–31, 2022 [link]

2021

  1. Kohichi Takai, Gen Hattori, Akio Yoneyama, Keiji Yasuda, Katsuhito Sudoh, Satoshi Nakamura, Named Entity-Factored Transformer for Proper Noun Translation, Proceedings of the 18th International Conference on Natural Language Processing (ICON 2021), pp. 7–11, 2021
  2. Ryo Fukuda, Sashi Novitasari, Yui Oka, Yasumasa Kano, Yuki Yano, Yuka Ko, Hirotaka Tokuyama, Kosuke Doi, Tomoya Yanagita, Sakriani Sakti, Katsuhito Sudoh, Satoshi Nakamura, Simultaneous Speech-to-speech Translation System with Transformer-based Incremental ASR, MT, and TTS, Proceedings of the 24th Conference of the Oriental COCOSDA, pp. 186–192, 2021
  3. Yasumasa Kano, Katsuhito Sudoh, Satoshi Nakamura, Simultaneous Neural Machine Translation with Constituent Label Prediction, Proceedings of the Sixth Conference on Machine Translation (WMT), pp. 1130–1140, 2021 [link]
  4. Hirotaka Tokuyama, Sakriani Sakti, Katsuhito Sudoh, Satoshi Nakamura, Transcribing Paralinguistic Acoustic Cues to Target Language Text in Transformer-Based Speech-to-Text Translation, Proceedings of Interspeech 2021, pp. 2262–2266, 2021 [link]
  5. Yuka Ko, Katsuhito Sudoh, Sakriani Sakti, Satoshi Nakamura, ASR Posterior-Based Loss for Multi-Task End-to-End Speech Translation, Proceedings of Interspeech 2021, pp. 2272–2276, 2021 [link]
  6. Kosuke Doi, Katsuhito Sudoh, Satoshi Nakamura, Large-Scale English-Japanese Simultaneous Interpretation Corpus: Construction and Analyses with Sentence-Aligned Data, Proceedings of the 18th International Conference on Spoken Language Translation (IWSLT 2021), pp. 226–235, 2021 [link]
  7. Ryo Fukuda, Katsuhito Sudoh, Satoshi Nakamura, On Knowledge Distillation for Translating Erroneous Speech Transcriptions, Proceedings of the 18th International Conference on Spoken Language Translation (IWSLT 2021), pp. 198–205, 2021 [link]
  8. Shohei Tanaka, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura, ARTA: Collection and Classification of Ambiguous Requests and Thoughtful Actions, Proceedings of the 22nd Annual Meeting of the Special Interest Group on Discourse and Dialogue (SIGDIAL 2021), pp. 77–88, 2021 [link]
  9. Katsuhito Sudoh, Kosuke Takahashi, Satoshi Nakamura, Is This Translation Error Critical?: Classification-Based Human and Automatic Machine Translation Evaluation Focusing on Critical Errors, Proceedings of the Workshop on Human Evaluation of NLP Systems (HumEval), pp. 46–55, 2021 [link]
  10. Hour Kaing, Chenchen Ding, Katsuhito Sudoh, Masao Utiyama, Eiichiro Sumita, Satoshi Nakamura, Multi-Source Cross-Lingual Constituency Parsing, Proceedings of the 18th International Conference on Natural Language Processing (ICON 2021), pp. 341–346, 2021 [link]

2020

  1. Yui Oka, Katsuki Chousa, Katsuhito Sudoh, Satoshi Nakamura, Incorporating Noisy Length Constraints into Transformer with Length-aware Positional Encodings, Proceedings of the 28th International Conference on Computational Linguistics, pp. 3580–3585, 2020
  2. Koichiro Yoshino, Kana Ikeuchi, Katsuhito Sudoh, Satoshi Nakamura, Improving Spoken Language Understanding by Wisdom of Crowds, Proceedings of the 28th International Conference on Computational Linguistics, pp. 2606–2612, 2020
  3. Haruko Yagura, Hiroki Tanaka, Taiki Kinoshita, Hiroki Watanabe, Shunnosuke Motomura, Katsuhito Sudoh, Satoshi Nakamura, Analysis of selective attention processing on experienced simultaneous interpreters using EEG phase synchronization, Proceedings of the 42nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, pp. 66–69, 2020 [link]
  4. Kosuke Takahashi, Katsuhito Sudoh, Satoshi Nakamura, Automatic Machine Translation Evaluation using Source Language Inputs and Cross-lingual Language Model, Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics, pp. 3553–3558, 2020 [link]
  5. Yoichi Ishibashi, Katsuhito Sudoh, Koichiro Yoshino, Satoshi Nakamura, Reflection-based Word Attribute Transfer, Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics: Student Research Workshop, pp. 51–58, 2020 [link]

2019

  1. Shohei Tanaka, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura, Conversational Response Re-ranking Based on Event Causality and Role Factored Tensor Event Embedding, Proceedings of the First Workshop on NLP for Conversational AI, pp. 51–59, 2019 [link]
  2. Ryo Nakamura, Katsuhito Sudoh, Koichiro Yoshino, Satoshi Nakamura, Another Diversity-Promoting Objective Function for Neural Dialogue Generation, Proceedings of the Second AAAI Workshop on Reasoning and Learning for Human-Machine Dialogues, 2019

2018

  1. Kaho Osamura, Takatomo Kano, Sakriani Sakti, Katsuhito Sudoh, Satoshi Nakamura, Using Spoken Word Posterior Features in Neural Machine Translation, Proceedings of the 15th International Workshop on Spoken Language Translation, pp. 189–195, 2018
  2. Johanes Effendi, Sakriani Sakti, Katsuhito Sudoh, Satoshi Nakamura, Multi-paraphrase Augmentation to Leverage Neural Caption Translation, Proceedings of the 15th International Workshop on Spoken Language Translation, pp. 181–188, 2018
  3. Yuta Nishimura, Katsuhito Sudoh, Graham Neubig, Satoshi Nakamura, Multi-Source Neural Machine Translation with Data Augmentation, Proceedings of the 15th International Workshop on Spoken Language Translation, pp. 48–55, 2018
  4. Yuta Nishimura, Katsuhito Sudoh, Graham Neubig, Satoshi Nakamura, Multi-Source Neural Machine Translation with Missing Data, Proceedings of the 2nd Workshop on Neural Machine Translation and Generation, pp. 92–99, 2018 [link]

2017

  1. Akiva Miura, Graham Neubig, Katsuhito Sudoh, Satoshi Nakamura, Tree as a Pivot: Syntactic Matching Methods in Pivot Translation, Proceedings of the Second Conference on Machine Translation, pp. 90–98, 2017 [link]
  2. Makoto Morishita, Yusuke Oda, Graham Neubig, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura, An Empirical Study of Mini-Batch Creation Strategies for Neural Machine Translation, Proceedings of the First Workshop on Neural Machine Translation, pp. 61–68, 2017 [link]

2016

  1. Shin Kanouchi, Katsuhito Sudoh, Mamoru Komachi, Neural Reordering Model Considering Phrase Translation and Word Alignment for Phrase-based Translation, Proceedings of the 3rd Workshop on Asian Translation (WAT2016), pp. 94–103, 2016
  2. Xun Wang, Masaaki Nishino, Tsutomu Hirao, Katsuhito Sudoh, Masaaki Nagata, Exploring Text Links for Coherent Multi-Document Summarization, Proceedings of COLING 2016, the 26th International Conference on Computational Linguistics: Technical Papers, pp. 213–223, 2016

2015

  1. Sho Hoshino, Yusuke Miyao, Katsuhito Sudoh, Katsuhiko Hayashi, Masaaki Nagata, Discriminative Preordering Meets Kendall’s Tau Maximization, Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 2: Short Papers), pp. 139–144, 2015 [link]
  2. Xun Wang, Katsuhito Sudoh, Masaaki Nagata, Rating Entities and Aspects Using a Hierarchical Model, Proceedings of the 19th Pacific-Asia Conference on Knowledge Discovery and Data Mining, pp. 39–51, 2015 [link]
  3. Xun Wang, Katsuhito Sudoh, Masaaki Nagata, Empty Category Detection With Joint Context-Label Embeddings, Proceedings of the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, pp. 263–271, 2015

2014

  1. Graham Neubig, Katsuhito Sudoh, Yusuke Oda, Kevin Duh, Hajime Tsukada, Masaaki Nagata, The NAIST-NTT TED talk treebank, Proceedings of the 11th International Workshop on Spoken Language Translation (IWSLT 2014), pp. 265–270, 2014
  2. Katsuhito Sudoh, Masaaki Nagata, Shinsuke Mori, Tatsuya Kawahara, Japanese-to-English Patent Translation System based on Domain-adapted Word Segmentation and Post-ordering, Proceedings of the eleventh conference of the Association for Machine Translation in the Americas, Vancouver, pp. 234–248, 2014

2013

  1. Dan Han, Pascual Martínez-Gómez, Yusuke Miyao, Katsuhito Sudoh, Masaaki Nagata, Effects of Parsing Errors on Pre-Reordering Performance for Chinese-to-Japanese SMT, Proceedings of the 27th Pacific Asia Conference on Language, Information, and Computation (PACLIC 27), pp. 267–276, 2013
  2. Katsuhiko Hayashi, Katsuhito Sudoh, Hajime Tsukada, Jun Suzuki, Masaaki Nagata, Shift-Reduce Word Reordering for Machine Translation, Proceedings of the 2013 Conference on Empirical Methods in Natural Language Processing, pp. 1382–1386, 2013
  3. Katsuhito Sudoh, Shinsuke Mori, Masaaki Nagata, Noise-Aware Character Alignment for Bootstrapping Statistical Machine Transliteration from Bilingual Corpora, Proceedings of the 2013 Conference on Empirical Methods in Natural Language Processing, pp. 204–209, 2013
  4. Sho Hoshino, Yusuke Miyao, Katsuhito Sudoh, Masaaki Nagata, Two-Stage Pre-ordering for Japanese-to-English Statistical Machine Translation, Proceedings of the Sixth International Joint Conference on Natural Language Processing, pp. 1062–1066, 2013
  5. Dan Han, Pascual Martínez-Gómez, Yusuke Miyao, Katsuhito Sudoh, Masaaki Nagata, Using unlabeled dependency parsing for pre-reordering for Chinese-to-Japanese statistical machine translation, Proceedings of the Second Workshop on Hybrid Approaches to Translation, pp. 25–33, 2013
  6. Kevin Duh, Graham Neubig, Katsuhito Sudoh, Hajime Tsukada, Adaptation Data Selection using Neural Language Models: Experiments in Machine Translation, Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers), pp. 678–683, 2013

2012

  1. Xianchao Wu, Katsuhito Sudoh, Kevin Duh, Hajime Tsukada, Masaaki Nagata, A Comparative Study of Target Dependency Structures for Statistical Machine Translation, Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers), pp. 100–104, 2012
  2. Kevin Duh, Katsuhito Sudoh, Xianchao Wu, Hajime Tsukada, Masaaki Nagata, Learning to Translate with Multiple Objectives, Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), pp. 1–10, 2012
  3. Hirotoshi Taira, Katsuhito Sudoh, Masaaki Nagata, Zero Pronoun Resolution can Improve the Quality of J-E Translation, Proceedings of the Sixth Workshop on Syntax, Semantics and Structure in Statistical Translation, pp. 111–118, 2012
  4. Dan Han, Katsuhito Sudoh, Xianchao Wu, Kevin Duh, Hajime Tsukada, Masaaki Nagata, Head Finalization Reordering for Chinese-to-Japanese Machine Translation, Proceedings of the Sixth Workshop on Syntax, Semantics and Structure in Statistical Translation, pp. 57–66, 2012

2011

  1. Kevin Duh, Katsuhito Sudoh, Xianchao Wu, Hajime Tsukada, Masaaki Nagata, Generalized Minimum Bayes Risk System Combination, Proceedings of 5th International Joint Conference on Natural Language Processing, pp. 1356–1360, 2011
  2. Xianchao Wu, Katsuhito Sudoh, Kevin Duh, Hajime Tsukada, Masaaki Nagata, Extracting Pre-ordering Rules from Predicate-Argument Structures, Proceedings of 5th International Joint Conference on Natural Language Processing, pp. 29–37, 2011
  3. Xianchao Wu, Katsuhito Sudoh, Kevin Duh, Hajime Tsukada, Masaaki Nagata, Extracting pre-ordering rules from chunk-based dependency trees for Japanese-to-English translation, Proceedings of the Thirteenth Machine Translation Summit, pp. 300–307, 2011
  4. Katsuhito Sudoh, Xianchao Wu, Kevin Duh, Hajime Tsukada, Masaaki Nagata, Post-ordering in statistical machine translation, Proceedings of the Thirteenth Machine Translation Summit, pp. 316–323, 2011
  5. Kevin Duh, Katsuhito Sudoh, Tomoharu Iwata, Hajime Tsukada, Alignment inference and Bayesian adaptation for machine translation, Proceedings of the Thirteenth Machine Translation Summit, pp. 114–121, 2011

2010

  1. Katsuhito Sudoh, Kevin Duh, Hajime Tsukada, NTT statistical machine translation system for IWSLT 2010, Proceedings of the 7th International Workshop on Spoken Language Translation, pp. 147–152, 2010
  2. Kevin Duh, Katsuhito Sudoh, Hajime Tsukada, Analysis of Translation Model Adaptation in Statistical Machine Translation, Proceedings of the 7th International Workshop on Spoken Language Translation, pp. 243–250, 2010
  3. Hideki Isozaki, Tsutomu Hirao, Kevin Duh, Katsuhito Sudoh, Hajime Tsukada, Automatic Evaluation of Translation Quality for Distant Language Pairs, Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing, pp. 944–952, 2010
  4. Katsuhiko Hayashi, Hajime Tsukada, Katsuhito Sudoh, Kevin Duh, Seiichi Yamamoto, Hierarchical Phrase-based Machine Translation with Word-based Reordering Model, Proceedings of the 23rd International Conference on Computational Linguistics (Coling 2010), pp. 439–446, 2010
  5. Katsuhito Sudoh, Kevin Duh, Hajime Tsukada, Tsutomu Hirao, Masaaki Nagata, Divide and Translate: Improving Long Distance Reordering in Statistical Machine Translation, Proceedings of the Joint Fifth Workshop on Statistical Machine Translation and MetricsMATR, pp. 418–427, 2010
  6. Kevin Duh, Katsuhito Sudoh, Hajime Tsukada, Hideki Isozaki, Masaaki Nagata, N-Best Reranking by Multitask Learning, Proceedings of the Joint Fifth Workshop on Statistical Machine Translation and MetricsMATR, pp. 375–383, 2010
  7. Hideki Isozaki, Katsuhito Sudoh, Hajime Tsukada, Kevin Duh, Head Finalization: A Simple Reordering Rule for SOV Languages, Proceedings of the Joint Fifth Workshop on Statistical Machine Translation and MetricsMATR, pp. 244–251, 2010

2009

  1. Hideki Isozaki, Tsutomu Hirao, Katsuhito Sudoh, Jun Suzuki, Akinori Fujino, Hajime Tsukada, Masaaki Nagata, A Patient Support System based on Crosslingual IR and Semi-supervised Learning, Proceedings of SIGIR 2009 Workshop: Information Access in a Multilingual World, pp. 59–61, 2009

2006

  1. Katsuhito Sudoh, Hajime Tsukada, Hideki Isozaki, Incorporating Speech Recognition Confidence into Discriminative Named Entity Recognition of Speech Data, Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics, pp. 617–624, 2006

2005

  1. Katsuhito Sudoh, Hajime Tsukada, Tightly Integrated Spoken Language Understanding using Word-to-Concept Translation, Proceedings of Interspeech'2005 - Eurospeech, 9th European Conference on Speech Communication and Technology, pp. 429–432, 2005
  2. Ryuichiro Higashinaka, Katsuhito Sudoh, Mikio Nakano, Incorporating Discourse Features into Confidence Scoring of Intention Recognition Results in Spoken Dialogue Systems, Proceedings of the 30th International Conference on Acoustics, Speech, and Signal Processing, Vol. I, pp. 25–29, 2005 [link]

2003

  1. Katsuhito Sudoh, Mikio Nakano, Post-dialogue Recognition Confidence Scoring for Improving Statistical Language Models using Untranscribed Dialogue Data, Proceedings of IEEE Workshop on Automatic Speech Recognition and Understanding, pp. 447–452, 2003