Publications

2017

Journal papers

  1. Tomoyuki Kajiwara, Danushka Bollegala (University of Liverpool), Yuichi Yoshida (NII), Ken-ichi Kawarabayashi (NII). An Iterative Approach for the Global Estimation of Sentence Similarity. PLOS ONE. (to appear)

Refereed conference papers

  1. Yui Suzuki, Tomoyuki Kajiwara and Mamoru Komachi. Building a Non-Trivial Paraphrase Corpus using Multiple Machine Translation Systems. In Proceedings of the ACL 2017 Student Research Workshop. Vancouver, Canada, July 2017. (to appear)
  2. Yui Suzuki and Mamoru Komachi. An Annotation Framework for Language Learning Using Natural Language Processing Tools: Its Design and An Experimental Study. In The Computer Assisted Language Instruction Consortium (CALICO) Conference 2017. May 18, 2017.

Non-refereed papers

  1. Yukio Matsumura, Takayuki Sato and Mamoru Komachi. English-Japanese Neural Machine Translation with Encoder-Decoder-Reconstructor. In arXiv e-prints, 1706.08198 (8 pages). June 2017. (paper)
  2. Ryosuke Miyazaki and Mamoru Komachi. Japanese Sentiment Classification using a Tree-Structured Long Short-Term Memory with Attention. In arXiv e-prints, 1704.00924 (6 pages). April 2017. (paper, demo)
  3. Junki Matsuo, Mamoru Komachi and Katsuhito Sudoh. Word-Alignment-Based Segment-Level Machine Translation Evaluation using Word Embeddings. In arXiv e-prints, 1704.00380 (5 pages). April 2017. (paper)
  4. Yuya Sakaizawa and Mamoru Komachi. Construction of a Japanese Word Similarity Dataset. In arXiv e-prints, 1703.05916 (5 pages). March 2017. (paper)
  5. Ai Hirata and Mamoru Komachi. Sparse Named Entity Classification using Factorization Machines. In arXiv e-prints, 1703.04879 (4+1 pages). March 2017. (paper)

Book chapters

  1. Ryu Iida, Mamoru Komachi, Naoya Inoue, Kentaro Inui and Yuji Matsumoto. NAIST Text Corpus: Annotating Predicate-Argument and Coreference Relations in Japanese. Handbook of Linguistic Annotation, pp.1177-1196. Springer. 17 June 2017.

2016

Refereed conference papers

  1. Tomoyuki Kajiwara and Mamoru Komachi. Building a Monolingual Parallel Corpus for Text Simplification Using Sentence Similarity Based on Alignment between Word Embeddings. In Proceedings of the 26th International Conference on Computational Linguistics (COLING 2016), pp.1247-1258. Osaka, Japan, December 2016. (poster)
  2. Yasunobu Asakura, Masatsugu Hangyo (Weathernews) and Mamoru Komachi. Disaster Analysis using User-Generated Weather Report. In Proceedings of The 2nd Workshop on Noisy User-generated Text, pp.83-91. Osaka, Japan, December 2016. (oral)
  3. Takayuki Sato, Jun Harashima (Cookpad) and Mamoru Komachi. Japanese-English Machine Translation of Recipe Texts. In Proceedings of The 3rd Workshop on Asian Translation (WAT): Research papers, pp.58-67. Osaka, Japan, December 2016. (oral)
  4. Shin Kanouchi, Katsuhito Sudoh (NTT) and Mamoru Komachi. Neural Reordering Model Considering Phrase Translation and Word Alignment for Phrase-based Translation. In Proceedings of The 3rd Workshop on Asian Translation (WAT): Research papers, pp.94-103. Osaka, Japan, December 2016. (poster)
  5. Tomonori Kodaira, Tomoyuki Kajiwara and Mamoru Komachi. Controlled and Balanced Dataset for Japanese Lexical Simplification. In Proceedings of the ACL 2016 Student Research Workshop, pp.1-7. Berlin, Germany, August 2016. (poster)
  6. Ryuichi Tachibana and Mamoru Komachi. Extraction of English Spelling Errors using a Word Typing Game. In Proceedings of The 10th Edition of the Language Resources and Evaluation Conference (LREC), pp.385-390. Portorož, Slovenia, May 2016. (poster)

Non-refereed conference papers

  1. Hayahide Yamagishi, Shin Kanouchi, Takayuki Sato and Mamoru Komachi. Controlling the Voice of a Sentence in Japanese-to-English Neural Machine Translation. In Proceedings of The 3rd Workshop on Asian Translation (WAT): System description papers, pp.203-210. Osaka, Japan, December 2016. (poster)
  2. Zhang, Longtu. Short-long / Long-short Preferences in English/Japanese Processing Revisited. Young Researchers Symposium on Natural Language Processing. Osaka, Japan, December 2016. (poster)

2015

Refereed conference papers

  1. Peinan Zhang and Mamoru Komachi. Japanese Sentiment Classification with Stacked Denoising Auto-Encoder using Distributed Word Representation. In Proceedings of The 29th Pacific Asia Conference on Language, Information and Computation (PACLIC 29), pp.150-159. Shangai, Chiana, October 2015. (oral)
  2. Yoshiaki Kitagawa, Mamoru Komachi, Eiji ARAMAKI (Kyoto University), Naoaki Okazaki (Tohoku University) and Hiroshi Ishikawa. Disease Event Detection based on Deep Modality Analysis. In Proceedings of the ACL-IJCNLP 2015 Student Research Workshop, pp.28-34. Beijing, China, July 2015. (poster)
  3. Tomoyuki Kajiwara and Kazuhide Yamamoto (Nagaoka University of Technology). Evaluation Dataset and System for Japanese Lexical Simplification. In Proceedings of the ACL-IJCNLP 2015 Student Research Workshop, pp.35-40. Beijing, China, July 2015. *This work was done while the first author was affiliated with Nagaoka University of Technology. (poster)
  4. Shin Kanouchi, Mamoru Komachi, Naoaki Okazaki (Tohoku University), Eiji ARAMAKI (Kyoto University) and Hiroshi Ishikawa. Who caught a cold? - Identifying the subject of a symptom. In Proceedings of the ACL-IJCNLP 2015 (long papers), pp.1660-1670. Beijing, China, July 2015. (oral)

Non-refereed conference papers

  1. Junki Matsuo, Kenichi Ohwada and Mamoru Komachi. Source Phrase Segmentation and Translation for Japanese-English Translation Using Dependency Structure. In Proceedings of the 2nd Workshop on Asian Translation (WAT2015), pp.99-104. Kyoto, Japan, October 2015. (poster)
  2. Yinchen Zhao, Mamoru Komachi and Hiroshi Ishikawa. Improving Chinese Grammatical Error Correction with Corpus Augmentation and Hierarchical Phrase-based Statistical Machine Translation. In Proceedings of the 2nd Workshop on Natural Language Processing Techniques for Educational Applications (NLP-TEA-2): Shared Task on Chinese Grammatical Error Diagnosis (CGED), pp.111-116. Beijing, China, July 2015. (poster)

2014

Refereed conference papers

  1. Budi Irmawati (NAIST), Mamoru Komachi and Yuji Matsumoto (NAIST). Towards Construction of an Error-Corrected Corpus of Indonesian Second Language Learners. In Proceedings of the 6th International Conference on Corpus Linguistics (CILC6), May 2014. (poster)

Non-refereed conference papers

  1. Yinchen Zhao, Mamoru Komachi and Hiroshi Ishikawa. Extracting a Chinese Learner Corpus from the Web: Grammatical Error Correction for Learning Chinese as a Foreign Language with Statistical Machine Translation. In Proceedings of the 22nd Conference on Computers in Education, pp.56-61. Nara, Japan, November 2014. (oral)
  2. Kenichi Ohwada, Ryosuke Miyazaki and Mamoru Komachi. Predicate-Argument Structure-based Preordering for Japanese-English Statistical Machine Translation. In Proceedings of the 1st Workshop on Asian Translation (WAT), pp.44-49. Tokyo, Japan, October 2014. (poster)

2013

Refereed conference papers

  1. Hiromi Oyama (NAIST), Mamoru Komachi and Yuji Matsumoto (NAIST). Towards Automatic Error Type Classification of Japanese Language Learners’ Writings. In Proceedings of the 27th Pacific Asia Conference on Language, Information, and Computation (PACLIC 27), pp.163-172. November 2013. (oral)
  2. Keisuke Sakaguchi (NAIST), Yuki Arase (Microsoft Research, Asia) and Mamoru Komachi. Discriminative Approach to Fill-in-the-Blank Quiz Generation for Language Learners. In Proceedings of the 51st Annual Meeting of Association for Computational Linguistics: Short papers, pp.238-242. August 2013. (poster)
  3. Yu Sawai (NAIST), Mamoru Komachi and Yuji Matsumoto (NAIST). A Learner Corpus-based Approach to Verb Suggestion for ESL. In Proceedings of the 51st Annual Meeting of Association for Computational Linguistics: Short papers, pp.708-713. August 2013.  (oral)

Non-refereed conference papers

  1. Ippei Yoshimoto (NAIST), Tomoya Kose (NAIST), Kensuke Mitsuzawa (NAIST), Keisuke Sakaguchi (NAIST), Tomoya Mizumoto (NAIST), Yuta Hayashibe (NAIST), Mamoru Komachi, Yuji Matsumoto (NAIST). NAIST at 2013 CoNLL Shared Task Grammatical Error Correction. In Proceedings of the Seventeenth Conference on Computational Natural Language Processing, pp.26-33. August 2013. (oral)
  2. Tomoya Mizumoto (NAIST), Yuta Hayashibe (NAIST), Keisuke Sakaguchi (NAIST), Mamoru Komachi, Yuji Matsumoto (NAIST). NAIST at the NLI 2013 Shared Task. In Proceedings of the 8th Workshop on Innovative Use of NLP for Building Educational Applications, pp.134-139. June 2013. (poster)
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