Associate Professor
Department of Information Systems Design,
Faculty of Science and Engineering,
Doshisha University
1-3 Tatara Miyakodani, Kyotanabe, Kyoto, 610-0394, JAPAN
E-mail: aktamura at mail.doshisha.ac.jp
Academic/Career History
4/2020- Doshisha University
6/2024- Nara Institute of Science and Technology (Affiliate Associate Professor)
7/2018-3/2020 RIKEN (visiting researcher)
4/2017-3/2020 Ehime University
4/2015-3/2017 National Institute of Information and Communications Technology (NICT)
6/2011-3/2014 National Institute of Information and Communications Technology (NICT)
4/2012-9/2013 Department of Information Processing, Tokyo Institute of Technology: Dr. Eng.
4/2007-5/2015 NEC
4/2005-3/2007 Department of Computational Intelligence and Systems Science, Tokyo Institute of Technology: M.E.
4/2001-3/2005 Department of Computer Science, Tokyo Institute of Technology: B.E.
Publications
Journals:
Manaya Tomioka, Tsuneo Kato, Akihiro Tamura. ``Analysis on Norms of Word Embedding and Hidden Vectors in Neural Conversational Model Based on Encoder-Decoder RNN'', IEICE Transactions on Information and Systems, Vol.E105-D, No.10, pp.1780-1789, June 2022. [paper]
Chunpeng Ma, Akihiro Tamura, Masao Utiyama, Tiejun Zhao, Eiichiro Sumita. ``Encoder-Decoder Attention ≠ Word Alignment: Axiomatic Method of Learning Word Alignments for Neural Machine Translation'', Journal of Natural Language Processing, Vol.27, No.3, pp.531-552, September 2020. [paper]
Chunpeng Ma, Akihiro Tamura, Masao Utiyama, Eiichiro Sumita, Tiejun Zhao. ``Syntax-based Transformer for Neural Machine Translation'', Journal of Natural Language Processing, Vol.27, No.2, pp.445-466, June 2020. [paper]
Hiroki Takushima, Akihiro Tamura, Takashi Ninomiya, Hideki Nakayama. ``Multimodal Neural Machine Translation Using CNN and Transformer Encoder'', Research in Computing Science, Vol. 148, No. 12, pp.85-95, February 2019. [paper]
Daniel Andrade, Akihiro Tamura, Masaaki Tsuchida. ``Exploiting Covariate Embeddings for Classification Using Gaussian Processes'', Pattern Recognition Letters, doi: 10.1016/j.patrec.2018.01.011 (January 2018), Vol. 104, pp.8-14, March 2018. [paper]
Kehai Chen, Tiejun Zhao, Muyun Yang, Lemao Liu, Akihiro Tamura, Rui Wang, Masao Utiyama, Eiichiro Sumita. ``A Neural Approach to Source Dependence Based Context Model for Statistical Machine Translation'', IEEE Transactions on Audio, Speech and Language Processing, doi: 10.1109/TASLP.2017.2772846 (November 2017), Vol. 26, Issue 2, pp.266-280, February 2018. [paper]
Chunpeng Ma, Akihiro Tamura, Lemao Liu, Tiejun Zhao, Eiichiro Sumita. ``Improving Feature-Rich Transition-Based Constituent Parsing Using Recurrent Neural Networks'', IEICE TRANSACTIONS on Information and Systems, Vol.E100-D, No.9, pp.2205-2214, September 2017. [paper]
Hidetaka Kamigaito, Akihiro Tamura, Hiroya Takamura, Manabu Okumura, Eiichiro Sumita. ``Unsupervised Word Alignment by Agreement Under ITG Constraint'', Journal of Information Processing, Vol.25, pp.831-840, August 2017. [paper]
Daniel Andrade, Akihiro Tamura, Masaaki Tsuchida. ``Analysis of the use of Background-Distribution for Naïve Bayes Classifiers'', Journal of Intelligent Systems, doi: 10.1515/jisys-2017-0016 (July 2017), Volume 28, Issue 2, pp.259-273, April 2019. [paper]
Isao Goto, Masao Utiyama, Eiichiro Sumita, Akihiro Tamura, Sadao Kurohashi. ``Distortion Model based on Word Sequence Labeling for Statistical Machine Translation'', ACM Transactions on Asian Language Information Processing, Vol.13, Issue 1, Article No.2, pp.2:1-2:21, February 2014. [paper]
Akihiro Tamura, Taro Watanabe, Eiichiro Sumita, Hiroya Takamura, Manabu Okumura. ``Extracting Translation Pairs from Comparable Corpora through Graph-based Label Propagation'' Journal of Natural Language Processing, Vol.20, No.2, pp.133-160, June 2013. [paper]
15 Japanese journals (see my Japanese page)
International Conferences:
Kai Akamine, Ryotaro Tsuchida, Tsuneo Kato, Akihiro Tamura. ``PonDeFlick: A Japanese Text Entry on Smartwatch Commonalizing Flick Operation with Smartphone Interface'', In Proceedings of the CHI Conference on Human Factors in Computing Systems (CHI 2024), Article No.941, pp. 1-11, Hawaii, USA, May 2024. [paper]
Shuta Taniguchi, Tsuneo Kato, Akihiro Tamura, Keiji Yasuda. ``Transformer-based Automatic Speech Recognition of Simultaneous Interpretation with Auxiliary Input of Source Language Text'', In Proceedings of 2023 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2023), pp.1857-1861, Taipei, Taiwan, November 2023. [paper]
Daiki Muramoto, Tsuneo Kato, Akihiro Tamura, Seiichi Yamamoto. ``Retention Effects of Form-focused English Speaking Training Based on Question-Answering Task in Comparison with Repeating Task using Robot-assisted Language Learning System'', In Proceedings of the 9th Workshop on Speech and Language Technology in Education (SLaTE 2023), pp.114-118, Dublin, Ireland, August 2023. [paper]
Ryoya Yuasa, Akihiro Tamura, Tomoyuki Kajiwara, Takashi Ninomiya, Tsuneo Kato. ``Multimodal Neural Machine Translation Using Synthetic Images Transformed by Latent Diffusion Model'', In Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 4: Student Research Workshop) (ACL SRW 2023), pp.76-82, Toronto, Canada, July 2023. [paper]
Shuta Taniguchi, Tsuneo Kato, Akihiro Tamura, Keiji Yasuda. ``Transformer-Based Automatic Speech Recognition with Auxiliary Input of Source Language Text Toward Transcribing Simultaneous Interpretation'', In Proceedings of the 23rd INTERSPEECH Conference (INTERSPEECH 2022), pp.2813-2817, Incheon, Korea, September 2022. [paper]
Yu Suzuki, Tsuneo Kato, Akihiro Tamura. ``Automatic Prosody Evaluation of L2 English Read Speech in Reference to Accent Dictionary with Transformer Encoder'', In Proceedings of the 23rd INTERSPEECH Conference (INTERSPEECH 2022), pp.4466-4470, Incheon, Korea, September 2022. [paper]
Kazuki Tani, Ryoya Yuasa, Kazuki Takikawa, Akihiro Tamura, Tomoyuki Kajiwara, Takashi Ninomiya, Tsuneo Kato. ``A Benchmark Dataset for Multi-Level Complexity-Controllable Machine Translation'', In Proceedings of the 13th Language Resources and Evaluation Conference (LREC 2022), pp.6744-6752, Marseille, France, June 2022. [paper]
Taiki Watanabe, Tomoya Ichikawa, Akihiro Tamura, Tomoya Iwakura, Chunpeng Ma, Tsuneo Kato. ``Auxiliary Learning for Named Entity Recognition with Multiple Auxiliary Biomedical Training Data'', In Proceedings of the 21st Workshop on Biomedical Language Processing (BioNLP Workshop 2022), pp.130-139, Dublin, Ireland, May 2022. [paper]
Hiromichi Ishii, Akihiro Tamura, Takashi Ninomiya. ``Grammatical Error Correction via Supervised Attention in the Vicinity of Errors’’, In Proceedings of the 35th Pacific Asia Conference on Language, Information and Computation (PACLIC 2021), pp.227-234, Shanghai, China (Online), November 2021. [paper]
Yuki Yano, Akihiro Tamura, Takashi Ninomiya, Hiroaki Obayashi. ``Utterance Position-Aware Dialogue Act Recognition'', In Proceedings of the International Conference on Recent Advances in Natural Language Processing 2021 (RANLP 2021), pp.1567-1574, Online, September 2021. [paper]
Taisei Najima, Tsuneo Kato, Akihiro Tamura, Seiichi Yamamoto. ``Remote Learning of Speaking in Syntactic Forms with Robot-Avatar-Assisted Language Learning System'', In Proceedings of the 24th International Conference on Text, Speech, and Language (TSD 2021), pp.558-566, Olomouc, Czech Republic (Online), September 2021. [paper]
Hiroyuki Deguchi, Akihiro Tamura, Takashi Ninomiya. ``Synchronous Syntactic Attention for Transformer Neural Machine Translation'', In Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: Student Research Workshop (ACL/IJCNLP SRW 2021), pp.348-355, Online, August 2021. [paper]
Koshiro Okano, Yu Suzuki, Masaya Kawamura, Tsuneo Kato, Akihiro Tamura, Jianming Wu. ``Contrastive Response Pairs for Automatic Evaluation of Non-task-oriented Neural Conversational Models'', In Proceedings of the 22nd Annual Meeting of the Special Interest Group on Discourse and Dialogue (SIGDIAL 2021), pp.202-207, Singapore (Online), July 2021. [paper]
Kazuki Akiyama, Akihiro Tamura, Takashi Ninomiya. ``Hie-BART: Document Summarization with Hierarchical BART'', In Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Student Research Workshop (NAACL SRW 2021), pp.159-165, Online, June 2021. [paper]
Hiroyuki Deguchi, Masao Utiyama, Akihiro Tamura, Takashi Ninomiya, Eiichiro Sumita. ``Bilingual Subword Segmentation for Neural Machine Translation'', In Proceedings of the 28th International Conference on Computational Linguistics (COLING 2020), pp.4287-4297, Barcelona, Spain (Online), December 2020. [paper]
Tetsuro Nishihara, Akihiro Tamura, Takashi Ninomiya, Yutaro Omote, Hideki Nakayama. ``Supervised Visual Attention for Multimodal Neural Machine Translation'', In Proceedings of the 28th International Conference on Computational Linguistics (COLING 2020), pp.4304-4314, Barcelona, Spain (Online), December 2020. [paper]
Yutaro Omote, Kyoumoto Matsushita, Tomoya Iwakura, Akihiro Tamura, Takashi Ninomiya. ``Transformer-based Approach for Predicting Chemical Compound Structures'', In Proceedings of the 1st Conference of the Asia-Pacific Chapter of the Association for Computational Linguistics and the 10th International Joint Conference on Natural Language Processing (AACL-IJCNLP 2020), pp.154-162, Suzhou, China (Online), December 2020. [paper]
Hideki Nakayama, Akihiro Tamura, Takashi Ninomiya. ``A Visually-Grounded Parallel Corpus with Phrase-to-Region Linking'', In Proceedings of the 12th Language Resources and Evaluation Conference (LREC 2020), pp.4204-4210, Marseille, France (Online), May 2020. [paper]
Taiki Watanabe, Akihiro Tamura, Takashi Ninomiya, Takuya Makino, Tomoya Iwakura. ``Multi-Task Learning for Chemical Named Entity Recognition with Chemical Compound Paraphrase'', In Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP 2019), pp.6245-6250, Hong Kong, China, November 2019. [paper]
Yutaro Omote, Akihiro Tamura, Takashi Ninomiya. ``Dependency-Based Relative Positional Encoding for Transformer NMT'', In Proceedings of the International Conference on Recent Advances in Natural Language Processing 2019 (RANLP 2019), pp.854-861, Varna, Bulgaria, September 2019. [paper]
Hiroyuki Deguchi, Akihiro Tamura, Takashi Ninomiya. ``Dependency-Based Self-Attention for Transformer NMT'', In Proceedings of the International Conference on Recent Advances in Natural Language Processing 2019 (RANLP 2019), pp.239-246, Varna, Bulgaria, September 2019. [paper]
Chunpeng Ma, Akihiro Tamura, Masao Utiyama, Eiichiro Sumita, Tiejun Zhao. ``Improving Neural Machine Translation with Neural Syntactic Distance'', In Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers) (NAACL-HLT 2019), pp.2032-2037, Minneapolis, USA, June 2019. [paper]
Hiroki Takushima, Akihiro Tamura, Takashi Ninomiya, Hideki Nakayama. ``Multimodal Neural Machine Translation Using CNN and Transformer Encoder'', In Proceedings of the 20th International Conference on Computational Linguistics and Intelligent Text Processing (CICLING 2019), La Rochelle, France, April 2019. [paper]
Arata Ugawa, Akihiro Tamura, Takashi Ninomiya, Hiroya Takamura, Manabu Okumura. ``Neural Machine Translation Incorporating Named Entity'', In Proceedings of the 27th International Conference on Computational Linguistics (COLING 2018), pp.3240-3250, Santa Fe, New Mexico, USA, August 2018. [paper]
Chunpeng Ma, Akihiro Tamura, Masao Utiyama, Tiejun Zhao, Eiichiro Sumita. ``Forest-Based Neural Machine Translation'', In Proceedings of the 56th Annual Meeting of the Association for Computational Linguistics (ACL 2018), pp.1253-1263, Melbourne, Australia, July 2018. [paper]
Taiki Watanabe, Akihiro Tamura, Takashi Ninomiya. ``CKY-based Convolutional Attention for Neural Machine Translation'', In Proceedings of the Eighth International Joint Conference on Natural Language Processing (IJCNLP 2017) (Volume 2: Short Papers), pp.1-6, Taipei, Taiwan, November 2017. [paper]
Kehai Chen, Rui Wang, Masao Utiyama, Lemao Liu, Akihiro Tamura, Eiichiro Sumita, Tiejun Zhao. ``Neural Machine Translation with Source Dependency Representation'', In Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing (EMNLP 2017), pp.2846-2852, Copenhagen, Denmark, September 2017. [paper]
Chunpeng Ma, Lemao Liu, Akihiro Tamura, Tiejun Zhao, Eiichiro Sumita. ``Deterministic Attention for Sequence-to-Sequence Constituent Parsing'', In Proceedings of the Thirty-First AAAI Conference on Artificial Intelligence (AAAI 2017), pp.3237-3243, San Francisco, California, USA, February 2017. [paper]
Hidetaka Kamigaito, Akihiro Tamura, Hiroya Takamura, Manabu Okumura, Eiichiro Sumita. ``Unsupervised Word Alignment by Agreement Under ITG Constraint'', In Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP 2016), pp.1998-2004, Austin, Texas, USA, November 2016. [paper]
Akihiro Tamura, Eiichiro Sumita. ``Bilingual Segmented Topic Model'', In Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics (ACL 2016), pp.1266-1276, Berlin, Germany, August 2016. [paper]
Daniel Andrade, Kunihiko Sadamasa, Akihiro Tamura, Masaaki Tsuchida. ``Cross-lingual Text Classification Using Topic-Dependent Word Probabilities'', In Proceedings of the 2015 Conference of the North American Chapter of the Association for Computational Linguistics – Human Language Technologies (NAACL HLT 2015), pp.1466-1471, Denver, USA, June 2015. [paper]
Akihiro Tamura, Taro Watanabe, Eiichiro Sumita. ``Recurrent Neural Networks for Word Alignment Model'', In Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (ACL 2014), pp.1470-1480, Baltimore, USA, June 2014. [paper]
Ye Kyaw Thu, Andrew Finch, Akihiro Tamura, Eiichiro Sumita, Yoshinori Sagisaka. ``Factored Machine Translation for Myanmar to English, Japanese and Vice Versa'', In Proceedings of the 12th International Conference on Computer Applications (ICCA 2014), pp.171-177, Yangon, Myanmar, February 2014. [paper]
Akihiro Tamura, Taro Watanabe, Eiichiro Sumita, Hiroya Takamura, Manabu Okumura. ``Part-of-Speech Induction in Dependency Trees for Statistical Machine Translation'', In Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (ACL 2013), pp.841-851, Sofia, Bulgaria, August 2013. [paper]
Isao Goto, Masao Utiyama, Eiichiro Sumita, Akihiro Tamura, Sadao Kurohashi. ``Distortion Model Considering Rich Context for Statistical Machine Translation'', In Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (ACL 2013), pp.155-165, Sofia, Bulgaria, August 2013. [paper]
Akihiro Tamura, Taro Watanabe, Eiichiro Sumita. ``Bilingual Lexicon Extraction from Comparable Corpora Using Label Propagation'', In Proceedings of the 2012 Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL 2012), pp.24-36, Jeju Island, Korea, July 2012. [paper]
Akihiro Tamura, Kai Ishikawa, Masahiro Saikou, Masaaki Tsuchida. ``Extractive Summarization Method for Contact Center Dialogues based on Call Logs'', In Proceedings of the 5th International Joint Conference on Natural Language Processing (IJCNLP-11), pp.500-508, Chiang Mai, Thailand, November 2011. [paper]
Akihiro Tamura, Hiroya Takamura, Manabu Okumura. ``Japanese Dependency Analysis Using the Ancestor-Descendant Relation'', In Proceedings of the 2007 Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL 2007), pp.600-609, Prague, Czech Republic, June 2007. [paper]
Akihiro Tamura, Hiroya Takamura, Manabu Okumura. ``Classification of Multiple-Sentence Questions'', In Proceedings of the 2nd International Joint Conference on Natural Language Processing (IJCNLP-05), pp.426-437, Jeju Island, Korea, October 2005. [paper]
Domestic Conferences:
Issei Matsumoto, Akihiro Tamura, Tsuneo Kato. ``Combining Knowledge from Wikipedia and Sentiment Information for Stance Detection'', 情報処理学会第86回全国大会 講演論文集, 第2分冊, pp.935-936, March 2024. [paper]
Yu Zha, Tsuneo Kato, Seiichi Yamamoto, Akihiro Tamura. ``Multi-task Training with Joining-in-type Robot-assisted Language Learning System'', 電子情報通信学会技術研究報告, 教育工学研究会, ET2022-60, pp.23-28, January 2023. [paper]
Ye Kyaw Thu, Akihiro Tamura, Andrew Finch, Eiichiro Sumita, Yoshinori Sagisaka. ``Unsupervised POS Tagging of Low Resource Language for Machine Translation'', 言語処理学会 第20回年次大会, pp.590-593, March 2014. [paper]
100 Japanese papers (see my Japanese page)