Papers - NAGATA Ryo
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Variance Matters: Detecting Semantic Differences without Corpus/Word Alignment. Reviewed
Ryo Nagata, Hiroya Takamura, Naoki Otani, Yoshifumi Kawasaki
Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing 15609 - 15622 2023
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Exploring Methods for Generating Feedback Comments for Writing Learning Reviewed
Kazuaki Hanawa, Ryo Nagata, Kentaro Inui
Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing 9719 - 9730 2021
Publisher：Association for Computational Linguistics
DOI： 10.18653/v1/2021.emnlp-main.766
Other Link： https://dblp.uni-trier.de/rec/conf/emnlp/2021-1
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Shared Task on Feedback Comment Generation for Language Learners. Reviewed
Ryo Nagata, Masato Hagiwara, Kazuaki Hanawa, Masato Mita, Artem Chernodub, Olena Nahorna
Proceedings of the 14th International Conference on Natural Language Generation 320 - 324 2021
Authorship：Lead author Publisher：Association for Computational Linguistics
Other Link： https://dblp.uni-trier.de/conf/inlg/2021
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Exploring the Capacity of a Large-scale Masked Language Model to Recognize Grammatical Errors. Reviewed
Ryo Nagata, Manabu Kimura, Kazuaki Hanawa
Findings of 60th Annual Meeting of the Association for Computational Linguistics 2021
Authorship：Lead author
Other Link： https://dblp.uni-trier.de/db/journals/corr/corr2108.html#abs-2108-12216
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Taking the Correction Difficulty into Account in Grammatical Error Correction Evaluation. Reviewed
Takumi Gotou, Ryo Nagata, Masato Mita, Kazuaki Hanawa
Proceedings of the 28th International Conference on Computational Linguistics(COLING) 2085 - 2095 2020
Publisher：International Committee on Computational Linguistics
DOI： 10.18653/v1/2020.coling-main.188
Other Link： https://dblp.uni-trier.de/conf/coling/2020
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A Report on FCG GenChal 2022: Shared Task on Feedback Comment Generation for Language Learners.
Ryo Nagata, Masato Hagiwara, Kazuaki Hanawa, Masato Mita
Proceedings of the 16th International Natural Language Generation Conference: Generation Challenges 45 - 52 2023
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Generating Dialog Responses with Specified Grammatical Items for Second Language Learning. Reviewed
Yuki Okano, Kotaro Funakoshi, Ryo Nagata, Manabu Okumura
Proceedings of the 18th Workshop on Innovative Use of NLP for Building Educational Applications 184 - 194 2023
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Revisiting Statistical Laws of Semantic Shift in Romance Cognates.
Yoshifumi Kawasaki, Maëlys Salingre, Marzena Karpinska, Hiroya Takamura, Ryo Nagata
COLING 141 - 151 2022
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Cross-Sectional Evaluation of Grammatical Error Correction Models Reviewed
Masato Mita, Tomoya Mizumoto, Masahiro Kaneko, Ryo Nagata, Kentaro Inui
Journal of Natural Language Processing 28 ( 1 ) 160 - 182 2021
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Creating Corpora for Research in Feedback Comment Generation.
Ryo Nagata, Kentaro Inui, Shin'ichiro Ishikawa
Proceedings of the 12th Language Resources and Evaluation Conference 340 - 345 2020
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Analytic Score Prediction and Justification Identification in Automated Short Answer Scoring.
Tomoya Mizumoto, Hiroki Ouchi, Yoriko Isobe, Paul Reisert, Ryo Nagata, Satoshi Sekine, Kentaro Inui
Proceedings of 15th Workshop on Innovative Use of NLP for Building Educational Applications 316 - 325 2019
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Toward a Task of Feedback Comment Generation for Writing Learning.
Ryo Nagata
Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing 3204 - 3213 2019
Single Work
DOI： 10.18653/v1/D19-1316
Other Link： https://dblp.uni-trier.de/db/conf/emnlp/emnlp2019-1.html#Nagata19
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Is the Simplest Chatbot Effective in English Writing Learning Assistance?
Ryo Nagata, Tomoya Hashiguchi, Driss Sadoun
Proceedings of 16th International Conference of the Pacific Association for Computational Linguistics 245 - 256 2019
Joint Work
DOI： 10.1007/978-981-15-6168-9_21
Other Link： https://dblp.uni-trier.de/db/conf/pacling/pacling2019.html#NagataHS19
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Masato Mita, Tomoya Mizumoto, Masahiro Kaneko, Ryo Nagata, Kentaro Inui
Proceedings of 17th Annual Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies 1309 - 1314 2019
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A POS Tagging Model Adapted to Learner English.
Ryo Nagata, Tomoya Mizumoto, Yuta Kikuchi, Yoshifumi Kawasaki, Kotaro Funakoshi
Proceedings of 4th Workshop on Noisy User-generated Text 39 - 48 2018
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Exploring the Influence of Spelling Errors on Lexical Variation Measures.
Ryo Nagata, Taisei Sato, Hiroya Takamura
Proceedings of 27th International Conference on Computational Linguistics 2391 - 2398 2018
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Phrase Structure Annotation and Parsing for Learner English
Keisuke Sakaguchi, Ryo Nagata
Journal of Natural Language Processing 24 ( 3 ) 491 - 514 2017.6
Joint Work
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A Method for Correcting Preposition Errors in Learner English with Feedback Messages.
Ryo Nagata, Edward W. D. Whittaker
IEICE Trans. Inf. Syst. 100-D ( 6 ) 1280 - 1289 2017
Joint Work
DOI： 10.1587/transinf.2016EDP7380
Other Link： https://dblp.uni-trier.de/db/journals/ieicet/ieicet100d.html#NagataW17
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Analyzing the Impact of Spelling Errors on POS-Tagging and Chunking in Learner English.
Tomoya Mizumoto, Ryo Nagata
Proceedings of 4th Workshop on Natural Language Processing Techniques for Educational Applications 54 - 58 2017
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Analyzing Semantic Change in Japanese Loanwords.
Hiroya Takamura, Ryo Nagata, Yoshifumi Kawasaki
Proceedings of 15th Conference of the European Chapter of the Association for Computational Linguistics: Volume 1, Long Papers 1195 - 1204 2017
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Adaptive Spelling Error Correction Models for Learner English.
Ryo Nagata, Hiroya Takamura, Graham Neubig
Procedia Computer Science 112 474 - 483 2017
Joint Work
DOI： 10.1016/j.procs.2017.08.065
Other Link： https://dblp.uni-trier.de/db/conf/kes/kes2017.html#NagataTN17
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Phrase Structure Annotation and Parsing for Learner English.
Ryo Nagata, Keisuke Sakaguchi
Proceedings of 54th Annual Meeting of the Association for Computational Linguistics 2016
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Discriminative Analysis of Linguistic Features for Typological Study.
Hiroya Takamura, Ryo Nagata, Yoshifumi Kawasaki
Proceedings of 10th International Conference on Language Resources and Evaluation 2016
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Correcting Preposition Errors in Learner English Using Error Case Frames and Feedback Messages Reviewed
Ryo Nagata
Proceedings of 52nd Annual Meeting of the Association for Computational Linguistics 2014.6
Joint Work
Authorship：Lead author
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Language Family Relationship Preserved in Non-native English.
Ryo Nagata
Proceedings of 25th International Conference on Computational Linguistic 1940 - 1949 2014
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Correcting Preposition Errors in Learner English Using Error Case Frames and Feedback Messages.
Ryo Nagata, Mikko Vilenius, Edward W. D. Whittaker
Proceedings of 52nd Annual Meeting of the Association for Computational Linguistics 754 - 764 2014
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Reconstructing an Indo-European Family Tree from Non-native English Texts Reviewed
Ryo Nagata
Proceedings of 51st Annual Meeting of the Association for Computational Linguistics 2013.8
Joint Work
Authorship：Lead author
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構文解析を必要としない主語動詞一致誤り検出手法”，電子情報通信学会論文誌 Reviewed
永田亮
電子情報通信学会論文誌 2013.5
Joint Work
Authorship：Lead author
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A Method for Detecting Subject-Verb Agreement Errors Without Parsing
Ryo NAGATA
The IEICE transactions on information and systems (Japanese edetion) 96 ( 5 ) 1346 - 1355 2013.5
Single Work
Publisher：The Institute of Electronics, Information and Communication Engineers
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Reconstructing an Indo-European Family Tree from Non-native English Texts.
Ryo Nagata, Edward W. D. Whittaker
Proceedings of 51st Annual Meeting of the Association for Computational Linguistics 1137 - 1147 2013
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A Method for Predicting Stressed Words in Teaching Materials for English Jazz Chants,
Ryo NAGATA, Kotaro FUNAKOSHI, Tatsuya, KITAMURA, Mikio NAKANO
IEICE TRANSACTIONS on Information and Systems Vol.E95-D ( No.11 ) 2012.11
Joint Work
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A Method for Predicting Stressed Words in Teaching Materials for English Jazz Chants Reviewed
2012.9
Joint Work
Authorship：Lead author
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品詞解析/統語解析を必要としない英語スラッシュ・リーディング教材自動生成手法 Reviewed
永田亮
電子情報通信学会論文誌 2012.2
Joint Work
Authorship：Lead author
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Generating Reading Materials for Slash Reading without POS-Tagging or Parsing
NAGATA Ryo, TARUTANI Hisato
The IEICE transactions on information and systems (Japanese edetion) 95 ( 2 ) 264 - 274 2012.2
Joint Work
Publisher：The Institute of Electronics, Information and Communication Engineers
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A Method for Detecting Determiner Errors Designed for the Writing of Non-native Speakers of English Reviewed
Ryo Nagata
IEICE Transactions on Information and Systems 2012.1
Joint Work
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A Method for Detecting Determiner Errors Designed for the Writing of Non-native Speakers of English.
Ryo Nagata, Atsuo Kawai
IEICE Trans. Inf. Syst. 95-D ( 1 ) 230 - 238 2012
Joint Work
DOI： 10.1587/transinf.E95.D.230
Other Link： https://dblp.uni-trier.de/db/journals/ieicet/ieicet95d.html#NagataK12
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Creating a Manually Error-tagged and Shallow-parsed Learner Corpus Reviewed
Ryo Nagata
Proceedings of 49th Annual Meeting of the Association for Computational Linguistic 2011.6
Joint Work
Authorship：Lead author
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“Toward a Chanting Robot for Interactively Teaching English to Children,”（共著） Reviewed
Nagata, R Mizumoto, T., Funakoshi, K., and Nakano M.
Proceedings of INTERSPEECH 2010 Satellite Workshop on Second Language Studies: Acquisition, Learning, Education and Technology 2010.9
Joint Work
Authorship：Lead author
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“Evaluating performance of grammatical error detection to maximize learning effect,”（共著） Reviewed
Nagata, R. and Nakatani, H.
Proceedings of the 23rd International Conference on Computational Linguistic, Poster Volume 2010.8
Joint Work
Authorship：Lead author
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“Detecting Missing Sentence Boundaries in Learner English,”（共著） Reviewed
Nagata, R., Kakegawa, J., and Kutsuwa, T.
Proceedings of the 10th International Conference on Statistical Analysis of Textual Data 2010.6
Joint Work
Authorship：Lead author
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A Written Child Corpus with Editing History Tags
NAGATA RYO, KAWAI AYAKO, SUDA KOJI, KAKEGAWA JUNICHI, MORIHIRO KOICHIRO
Journal of Natural Language Processing 17 ( 2 ) 51 - 65 2010.4
Joint Work
Publisher：The Association for Natural Language Processing
Corpora have played a crucial role in natural language processing and linguistics. However, there have been very few corpora consisting of the writing of children because of difficulties peculiar to child corpus creation. In this paper, we propose a method for avoiding the difficulties and efficiently creating a child corpus. We have used the proposed method to create a child corpus to show its effectiveness. As a result, we have obtained a child corpus called Kodomo Corpus containing 39,269 morphemes, which is the largest written child corpus. Kodomo Corpus has a feature that the editing histories such as addition and deletion are traceable through its data tags.
DOI： 10.5715/jnlp.17.2_51
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“作文履歴をトレース可能な子供コーパスの構築”（共著） Reviewed
永田亮，河合綾子，須田幸次，掛川淳一，森広浩一郎
自然言語処理 2010.4
Joint Work
Authorship：Lead author
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A Topic-independent Method for Scoring Student Essay Content,
Ryo NAGATA, Jun-ichi, KAKEGAWA, Yukiko YABUTA
IEICE TRANSACTIONS on Information and Systems Vol.E93-D ( No.2 ) 2010.2
Joint Work
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“A Topic-independent Method for Scoring Student Essay Content,”（共著） Reviewed
Nagata, R.，Kakegawa, and Yabuta Y.
IEICE Transactions on Information and Systems 2010.2
Joint Work
Authorship：Lead author
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“Edu-mining for Book Recommendation for Pupils,”（共著） Reviewed
Nagata, R., Takeda, K., Suda, K., Kakegawa, J.
Proceedings of the 2nd International Conference on Educational Data Mining ( 1 ) 2009.7
Joint Work
Authorship：Lead author
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“A Topic-independent Method for Automatically Scoring Essay Content Rivaling Topic-dependent Methods,”（共著） Reviewed
Nagata, R., Kakegawa, J., and Yabuta, Y
Proceedings of the 9th IEEE International Conference on Advanced Learning Technologies 2009.7
Joint Work
Authorship：Lead author
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Extracting Interesting Patterns from Learner Messages
KAKEGAWA Jun-ichi, NAGATA Ryo, MORITA Chihiro, SUDA Koji, MORIHIRO Koichiro
The IEICE transactions on information and systems 91 ( 12 ) 2939 - 2949 2008.12
Joint Work
Publisher：The Institute of Electronics, Information and Communication Engineers
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A System Suggesting Keywords for Facilitating Pupils' Message-Production Skills
NAGATA Ryo, SUDA Koji, KAKEGAWA Jun-ichi, MORIHIRO Koichiro, SHOWJI Kazuhiko
The IEICE transactions on information and systems 91 ( 2 ) 200 - 209 2008.2
Joint Work
Publisher：The Institute of Electronics, Information and Communication Engineers
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“小学生を対象としたメッセージ推敲のための適応型キーワード提示システム”（共著） Reviewed
永田亮，須田幸次，掛川淳一，森広浩一郎，正司和彦
電子情報通信学会論文誌，Vol.J91-D, ( 2 ) 200 - 209 2008.2
Joint Work
Authorship：Lead author
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A Method for Reinforcing Noun Countability Prediction
Ryo NAGATA, Atsuo KAWAI, Koichiro, MORIHIRO, Naoki ISU
IEICE TRANSACTIONS on Information and Systems Vol.E90-D ( No.12 ) 2007.12
Joint Work
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“A Method for Reinforcing Noun Countability Prediction,”（共著） Reviewed
Nagata, R.，Kawai, A.，Morihiro, K.，and Isu, N.
IEICE Transactions on Information and Systems, Vol.E90-D, ( 12 ) 2077 - 2086 2007.12
Joint Work
Authorship：Lead author
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“自由記述メッセージからの学習者の特徴表現抽出”（共著）
森田千寿, 永田亮, 掛川淳一，須田幸次，森広浩一郎
日本教育工学会研究報告集，JSET07-5 215 - 222 2007.12
Joint Work
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“未知文書からの母語話者／非母語話者に特徴的な表現の抽出”，（査読付きレター）（共著） Reviewed
永田亮，掛川淳一，宮井俊也，淀雅昭，深田剛継，河合敦夫
情報科学技術レターズ 357 - 360 2007.9
Joint Work
Authorship：Lead author
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“分野別学習データを用いた科学技術英文の冠詞誤り検出”（共著）
深田剛継，永田亮，大森章良，河合敦夫，桝井文人，井須尚紀
平成19年度電気関係学会東海支部連合大会講演論文集，O-327， 2007.9
Joint Work
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“表層情報のみを利用した英語母語話者／非母語話者の文書判別”（共著）
永田亮，掛川淳一，宮井俊也，淀雅昭，深田剛継，河合 敦夫
FIT2007 第6回情報科学技術フォーラム発表論文集 171 - 174 2007.9
Joint Work
Authorship：Lead author
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“Visualizing the Invisible: A Method for Visualizing the Countability of English Nouns,”（共著） Reviewed
Nagata, R., Kawai, A., Morihiro, K., and Isu, N.
Proceedings of International Workshop on Natural Language Processing for Educational Resources in Conjugation with the International Conference Recent Advances in Natural Language Processing, 31 - 37 2007.9
Joint Work
Authorship：Lead author
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LK-007 Obtaining patterns peculiar to native/non-native speakers from unknown texts
Nagata Ryo, Kakegawa Jun-ichi, Miyai Toshiya, Yodo Masaaki, Fukada Takatsugu, Kawai Atsuo
( 6 ) 357 - 360 2007.8
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“Edu-mining for finding keywords to improve message-production skills,” （共著） Reviewed
Nagata, R., Suda, K., Kakegawa, J., Morihiro, K., and Showji, K.
Proceedings of the 7th IEEE International Conference on Advanced Learning Technologies, 416 - 420 2007.7
Joint Work
Authorship：Lead author
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“英語例文オーサリングのための可算性決定プロセスの可視化”（共著）
永田亮，河合敦夫，森広浩一郎，井須尚紀
言語処理学会第13回年次大会発表論文集 780 - 783 2007.3
Joint Work
Authorship：Lead author
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“文脈情報とイディオムを考慮した英文の自動冠詞付与手法”（共著）
宮井俊也，永田亮，河合敦夫，桝井文人，井須尚紀
言語処理学会第13回年次大会発表論文集 943 - 946 2007.3
Joint Work
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“小学生を対象としたメッセージ推敲のためのキーワード提示システム”（共著）
須田幸次，永田亮，掛川淳一，森広浩一郎，正司和彦
言語処理学会第13回年次大会発表論文集 756 - 759 2007.3
Joint Work
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“Recognizing article errors using prepositional information,”（共著） Reviewed
Nagata, R.，Iguchi, T.，Wakidera, K.，Masui, F.，Kawai, A., and Isu, N.
Systems and Computers in Japan, 37 ( 12 ) 17 - 26 2006.11
Joint Work
Authorship：Lead author
（紹介掲載）
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“補強対象を選ばない英語名詞の可算性判定補強手法”（共著）
永田亮，河合敦夫，森広浩一郎，井須尚紀
FIT2006 第5回情報科学技術フォーラム発表論文集 197 - 200 2006.9
Joint Work
Authorship：Lead author
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“学習コーパスの分野の違いによる英文冠詞付与の精度の考察”（共著）
宮井俊也，永田亮，淀雅昭，河合敦夫，桝井文人，井須尚紀
電気関係学会東海支部連合大会講演論文集 2006.9
Joint Work
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“対象となる名詞を選ばない規則を用いた英語名詞の可算／不可算の判定手法”（共著）
若菜崇弘，永田亮，河合敦夫，桝井文人，井須尚紀
FIT2006 第5回情報科学技術フォーラム発表論文集， 201 - 204 2006.9
Joint Work
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Recognizing Errors in English Writing Based on the Mass Count Distinction
NAGATA Ryo, WAKANA Takahiro, KAWAI Atsuo, MORIHIRO Koichiro, MASUI Fumito, ISU Naoki
The IEICE transactions on information and systems 89 ( 8 ) 1777 - 1790 2006.8
Joint Work
Publisher：The Institute of Electronics, Information and Communication Engineers
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“可算／不可算の判定に基づいた英文の誤り検出”（共著） Reviewed
永田亮，若菜崇宏，河合敦夫，森広浩一郎，桝井文人，井須尚紀
電子情報通信学会論文誌，Vol.J89-D ( 8 ) 1777 - 1790 2006.8
Joint Work
Authorship：Lead author
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“A Feedback-augmented method for detecting errors in the writing of learners of English,”（共著） Reviewed
Nagata, R., Kawai, A., Morihiro, K., and Isu, N.
Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics, 241 - 248 2006.7
Joint Work
Authorship：Lead author
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“Reinforcing English countability prediction with one countability per discourse property,”（共著）
Nagata, R., Kawai, A., Morihiro, K., and Isu, N.
Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics Main Conference Poster Sessions, 595 - 602 2006.7
Joint Work
Authorship：Lead author
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“半自動フィードバックを利用した英文誤り検出手法の性能向上”（共著）
永田亮，河合敦夫，森広浩一郎，桝井文人，井須尚紀
言語処理学会第12回年次大会発表論文集 464 - 467 2006.3
Joint Work
Authorship：Lead author
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“Detecting article errors based on the mass count distinction,”（共著） Reviewed
Nagata, R., Wakana, T., Masui, F., Kawai, A., and Isu, N.
Lecture Notes in Artificial Intelligence, Dale, R., Wong, K.F., Su, J., Kwong, O.Y. (Eds.), Springer-Verlag, 815 - 826 2005.10
Joint Work
Authorship：Lead author
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“英語名詞の可算／不可算判定手法”（共著） Reviewed
永田亮，桝井文人，河合敦夫，井須尚紀
自然言語処理 12 ( 4 ) 227 - 243 2005.8
Joint Work
Authorship：Lead author
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“Extracting collocations for determining articles in English writing,”（共著） Reviewed
Nagata, R., Iguchi, T., Furuichi, Y., Masui, F., Kawai, A., and Isu, N.
Proceedings of the Pacific Association for Computational Linguistics (PACLING) 05, 264 - 268 2005.8
Joint Work
Authorship：Lead author
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A method for distinguishing English mass and count nouns
NAGATA RYO, MASUI FUMITO, KAWAI ATSUO, ISU NAOKI
Journal of Natural Language Processing 12 ( 4 ) 227 - 243 2005.8
Joint Work
Publisher：The Association for Natural Language Processing
This paper proposes an unsupervised method for distinguishing mass and countnouns in context using decision lists.The mass count distinction is particularly im-portant in detecting errors concerning the articles and the singular/plural usage inthe writing of Japanese learners of English.Decision lists are learned from a set oftraining data that consist of instances of the target noun used as mass or count. Ingeneral, it is costly and time-consuming to acquire a set of training data.To solvethe problem, this paper also proposes a method for automatically generating trainingdata.Experiments show that the proposed method achieves an accuracy of 83.9%in distinguishing mass and count nouns in context.
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A statistical model based on the three head words for detecting article errors
Ryo NAGATA, Tatsuya IGUCHI, Fumito MASUI, Atsuo KAWAI, Naoki ISU
IEICE TRANSACTIONS on Information and Systems Vol.E88-D ( No.7 ) 2005.7
Joint Work
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“A statistical model based on the three head words for detecting article errors,”（共著） Reviewed
Nagata, R.，Iguchi, T.，Masui, F.，Kawai, A., and Isu, N.
IEICE Transactions on Information and Systems, Vol.E88-D, ( 7 ) 1700 - 1706 2005.7
Joint Work
Authorship：Lead author
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“Recognizing article errors in the writing of Japanese learners of English,”（共著） Reviewed
Nagata, R.，Iguchi, T.，Wakidera, K.，Masui, F.，and Kawai, A.
Systems and Computers in Japan, 36 ( 7 ) 54 - 63 2005.6
Joint Work
Authorship：Lead author
（紹介掲載）
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“A method for rating English texts by reading level for Japanese learners of English,”（共著） Reviewed
Nagata, R.，Iguchi, T.，Masui, F.，and Kawai, A.
Systems and Computers in Japan, 36 ( 6 ) 1 - 13 2005.6
Joint Work
Authorship：Lead author
（紹介掲載）
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“前置詞情報を利用した冠詞誤り検出”（共著） Reviewed
永田亮，井口達也，脇寺健太，桝井文人，河合敦夫，井須尚紀
電子情報通信学会論文誌，Vol.J88-D-I ( 4 ) 873 - 881 2005.4
Joint Work
Authorship：Lead author
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前置詞情報を利用した冠詞誤り検出
永田亮, 井口達也 脇寺健太 桝井文人 河合敦夫 井須尚紀
電子情報通信学会論文誌 Vol.J88-D-I ( No.4 ) 2005.4
Joint Work
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Statistical Approaches to Detecting Article Errors in the Writing of Japanese Learners of English
Ryo Nagata
2005.3
Single Work
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“可算／不可算判定を用いた英文の冠詞誤り検出”（共著）
若菜崇宏，永田亮，河合敦夫，桝井文人
言語処理学会第11回年次大会発表論文集 783 - 786 2005.3
Joint Work
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“An unsupervised method for distinguishing mass and count nouns in context,”（共著） Reviewed
Nagata, R., Masui, F., Kawai, A., and Isu, N.
Proceedings of the Sixth International Workshop on Computational Semantics (IWCS-6), 213 - 224 2005.1
Joint Work
Authorship：Lead author
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“A method for distinguishing mass and count nouns based on contextual information,”（共著） Reviewed
Nagata, R., Masui, F., Kawai, A., and Isu, N.
Proceedings of the Fourth international Symposium on Human and Artificial Intelligence Systems, 516 - 521 2004.12
Joint Work
Authorship：Lead author
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“Recognizing article errors based on the three head words,”（共著） Reviewed
Nagata, R., Masui, F., Kawai, A., and Isu, N.
Proceedings of Cognition and Exploratory Learning in Digital Age, 165 - 172 2004.12
Joint Work
Authorship：Lead author
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“英文アブストラクトを対象とした冠詞付与手法”（共著）
井口達也，永田亮，河合敦夫
電気関係学会東海支部連合大会講演論文集 0426 2004.9
Joint Work
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A Method for Rating English Texts by Reading Level for Japanese Learners of English
NAGATA Ryo, IGUCHI Tatsuya, MASUI Fumito, KAWAI Atsuo
The Transactions of the Institute of Electronics,Information and Communication Engineers. 87 ( 6 ) 1329 - 1338 2004.6
Joint Work
Publisher：The Institute of Electronics, Information and Communication Engineers
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“日本人英語学習者を対象とした英文難易度判定手法”（共著） Reviewed
永田亮，井口達也，桝井文人，河合敦夫
電子情報通信学会論文誌, Vol.J87-D-II, ( 6 ) 1329 - 1338 2004.6
Joint Work
Authorship：Lead author
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“日本語学習者の作文における格助詞の誤り検出と訂正”（共著）
石川裕司，河合敦夫，多田直人，永田亮，桝井文人
情報処理学会第66回全国大会発表論文集分冊2 323 - 324 2004.3
Joint Work
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“前置詞情報を用いた冠詞誤り検出モデル”（共著）
永田亮，井口達也，脇寺健太，桝井文人，河合敦夫，井須尚紀
言語処理学会第10回年次大会ワークショップ「e-Learningにおける自然言語処理」論文集, 40 - 44 2004.3
Joint Work
Authorship：Lead author
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Recognizing Article Errors in the Writing of Japanese Learners of English
NAGATA Ryo, IGUCHI Tatsuya, WAKIDERA Kenta, MASUI Fumito, KAWAI Atsuo
The Transactions of the Institute of Electronics,Information and Communication Engineers. 87 ( 1 ) 60 - 68 2004.1
Joint Work
Publisher：The Institute of Electronics, Information and Communication Engineers
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“日本人英語学習者のための冠詞誤り検出”（共著） Reviewed
永田亮，井口達也，脇寺健太，桝井文人，河合敦夫
電子情報通信学会論文誌 ,Vol.J87-D-I ( 1 ) 60 - 68 2004.1
Joint Work
Authorship：Lead author
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“A model for distinguishing mass and count nouns,”（共著） Reviewed
Nagata, R., Masui, F., and Kawai, A.
Proceedings of the Pacific Association for Computational Linguistics (PACLING) 03, 1 - 9 2003.8
Joint Work
Authorship：Lead author
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“Feedback to second language writing ― What can people and computers do?,” （共著） Reviewed
Hayase, M., Nagata, R., Nagashima, S., and Kobayashi, E.
Proceedings of World Conference on Educational Multimedia, Hypermedia, and Telecommunications(ED-MEDIA) 3238 - 3241 2003.6
Joint Work
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“Development of a web-based English correction system,”（共著） Reviewed
Kobayashi, E., Nagashima, S., Hayase, M., and Nagata, R.
Proceedings of World Conference on Educational Multimedia, Hypermedia, and Telecommunications (ED-MEDIA) 388 - 389 2003.6
Joint Work
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“Webを利用した英文読解力自動評価システム”（共著）
井口達也，永田亮，桝井文人，河合敦夫
情報処理学会第65回全国大会発表論文集分冊4 379 - 380 2003.3
Joint Work
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“リーディングスピードに基づいた文章の読み易さについて”（共著）
永田亮，井口達也，桝井文人，河合敦夫
電子情報通信学会技術研究報告TL2002-35 13 - 18 2002.12
Joint Work
Authorship：Lead author
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“英文読解力の自動評価手法 ― リーディングスピードを用いた英文読解力の詳細な評価 ―”（共著） Reviewed
永田亮，桝井文人，河合敦夫，椎野努
コンピュータ＆エデュケーション 12 99 - 103 2002.5
Joint Work
Authorship：Lead author
-
英文読解力の自動評価手法 ― リーディングスピードを用いた英文読解力の詳細な評価 ―
永田亮, 桝井文人, 河合敦夫, 椎野努
コンピュータ＆エディケ－ション 12 2002.5
Joint Work
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“ニューラルネットワークを用いたリーディングタイム予測”（共著）
永田亮，桝井文人，河合敦夫，椎野努
電子情報通信学会技術研究報告TL2001-15, 1 - 6 2001.10
Joint Work
Authorship：Lead author
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“リーディングスピードを用いた英文難易度判定”（共著）
永田亮，桝井文人，河合敦夫，椎野努
2001年度電子情報通信学会総合大会講演論文集, D5-5, 63 - 63 2001.3
Joint Work
Authorship：Lead author
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“効率的な検索のための英文難易度判定”（共著）
永田亮，桝井文人，河合敦夫，椎野努
電気関係学会東海支部連合大会講演論文集623 623 312 - 312 2000.9
Joint Work
Authorship：Lead author