• Takahiro Yamakoshi, Yasuhiro Ogawa, Katsuhiko Toyama: Differential-aware Transformer for Partially Amended Sentence Translation, New Frontiers in Artificial Intelligence: JSAI-isAI 2022 Conference and Workshops, Revised Selected Papers, Lecture Notes in Computer Science, Vol.13859, pp.5-22, Springer (2023. 4.).
• Takahiro Yamakoshi, Takahiro Komamizu, Yasuhiro Ogawa, Katsuhiko Toyama: Differential Translation for Japanese Partially Amended Statutory Sentences, New Frontiers in Artificial Intelligence: JSAI-isAI 2020 Conference and Workshops, Revised Selected Papers, Lecture Notes in Computer Science, Vol.12758, pp.162-178, Springer (2021. 6.).
• Takahiro Komamizu , Yasuhiro Ogawa, Katsuhiko Toyama: An Ensemble Framework of Multi-ratio Undersampling-based Imbalanced Classification, Journal of Data Intelligence, Vol.2, No.1, pp.30-46 (2021. 4.).
• Takahiro Komamizu, Risa Uehara, Yasuhiro Ogawa, Katsuhiko Toyama: MUEnsemble: Multi-ratio Undersampling-based Ensemble Framework for Imbalanced Data, Database and Expert Systems Applications, Proc. 31st DEXA Conferences and Workshops, Part II, Lecture Notes in Computer Science, Vol.12392, Springer, pp.213-228 (2020. 9.).
• Takahiro Komamizu, Kazuya Fujioka, Yasuhiro Ogawa, Katsuhiko Toyama: Exploring Relevant Parts between Legal Documents using Substructure Matching, New Frontiers in Artificial Intelligence: JSAI-isAI 2019 Conference and Workshops, Revised Selected Papers, Lecture Notes in Computer Science}, Vol.12331, pp.5-19 Springer (2020. 9.).
• Takahiro Yamakoshi, Takahiro Komamizu, Yasuhiro Ogawa, Katsuhiko Toyama: Japanese Mistakable Legal Term Correction using Infrequency-aware BERT Classifier, 人工知能学会論文誌, Vol.35, No.4, pp.E-K25_1-17 (2020. 7.).
• 山腰貴大, 小川泰弘, 駒水孝裕, 外山勝彦: ランダムフォレストを用いた法令用語の校正, 人工知能学会論文誌, Vol.35, No.1, pp.H-J53_1-14 (2020. 1.).
• Yasuhiro Ogawa, Michiaki Satou, Takahiro Komamizu, Katsuhiko Toyama: nagoy Team's Summarization System at the NTCIR-14 QA Lab-PoliInfo, NTCIR-14: Evaluation of Information Access Technologies, Lecture Notes in Computer Science, Vol.11966, pp.110-121, Springer (2019.11.).
• Takahiro Yamakoshi, Tomohiro Ohno, Yasuhiro Ogawa, Makoto Nakamura, Katsuhiko Toyama: Hierarchical Coordinate Structure Analysis for Japanese Statutory Sentences Using Neural Language Models, 自然言語処理, Vol.25, No.4, pp.393-420 (2018. 9.).
• Yasuhiro Ogawa, Makoto Nakamura, Tomohiro Ohno, Katsuhiko Toyama: Extraction of Legal Bilingual Phrases from the Japanese Official Gazette, English Edition, Journal of Information and Telecommunication, Vol.2, Issue 4, pp.359-373 (2017.10.).
• Satomi Sakamoto, Yasuhiro Ogawa, Makoto Nakamura, Tomohiro Ohno, Katsuhiko Toyama: Utilization of Multi-Word Expressions to Improve Statistical Machine Translation of Statutory Sentences, New Frontiers in Artificial Intelligence: JSAI-isAI 2015 Conference and Workshops, Revised Selected Papers, Lecture Notes in Computer Science, Vol.10091, pp.249-264, Springer (2017. 4.).
• 小川泰弘, 外山勝彦: Bilingual KWIC − 対訳表現抽出の可視化による翻訳支援, 自然言語処理, Vol.24, No.1, pp.75-94 (2017. 2.).
• Gen Kawachi, Makoto Nakamura, Yasuhiro Ogawa, Tomohiro Ohno, Katsuhiko Toyama: Applying the Akoma Ntoso XML Schema to Japanese Legislation, J. Law, Information and Science, Vol.24, No.2, pp.49-70, 90-102 (2016.12.).
• Makoto Nakamura, Yasuhiro Ogawa, Katsuhiko Toyama: Development of Diachronic Terminology from Japanese Statutory Corpora, Journal of Open Access to Law, Vol.4, No.1, 16 pages (2016. 3.).
• Kouhei Okada, Yasuhiro Ogawa, Makoto Nakamura, Tomohiro Ohno, Katsuhiko Toyama: Improvement of Translation Accuracy for the Outlines of Japanese Statutes by Splitting Parenthesized Expressions, Journal of Open Access to Law, Vol.4, No.1, 16 pages (2016. 3.).
• Gen Kawachi, Yasuhiro Ogawa, Makoto Nakamura, Tomohiro Ohno, Katsuhiko Toyama: Daily News on Japanese Legislation toward International Sharing of Japanese Legal Information, Journal of Open Access to Law, Vol.3, No.1, 19 pages (2015. 4.).
• Makoto Nakamura, Yasuhiro Ogawa, Katsuhiko Toyama: Extraction of Legal Definitions and Their Explanations with Accessible Citations, AI Approaches to the Complexity of Legal Systems: AICOL 2013 International Workshops, Revised Selected Papers, Lecture Notes in Computer Science, Vol.8929, pp.157-171, Springer (2014.12.).
• Makoto Nakamura, Tomohiro Ohno, Yasuhiro Ogawa, Katsuhiko Toyama: Acquisition of Hyponymy Relations for Agricultural Terms from a Japanese Statutory Corpus, Information Processing in Agriculture, Vol.1, No.2, pp.95-104, Elsevier (2014.11.).
• 小川泰弘，中村誠，外山勝彦: 法律文中における単語出現頻度の変化−法令テキストマイニングの一例−, 名古屋大學法政論集，Vol.250, pp.543-556 (2013. 7.).
• 外山勝彦，齋藤大地，関根康弘，小川泰弘，角田篤泰，木村垂穂，松浦好治: 日本法令外国語訳データベースシステムの設計と開発, 情報ネットワーク・ローレビュー, Vol.11, pp.33-53 (2012.12.).
• Yasuhiro Ogawa, Masaki Mori, Katsuhiko Toyama: Recall-Oriented Evaluation Metrics for Consistent Translation of Japanese Legal Sentences, New Frontiers in Artificial Intelligence: JSAI 2011 Conference and Workshops, Revised Selected Papers, Lecture Notes in Computer Science, Vol.7258, pp.141-154, Springer (2012. 9.).
• Yasuhiro Ogawa, Masayuki Yamada, Ryuta Kato, Katsuhiko Toyama: Design and Compilation of Syntactically Tagged Corpus of Japanese Statutory Sentences, New Frontiers in Artificial Intelligence: JSAI 2010 Conference and Workshops, Revised Selected Papers, Lecture Notes in Computer Science, Vol.6797, pp.141-152, Springer (2011.12.).
• 萩原正人，小川泰弘，外山勝彦: グラフカーネルを用いた非分かち書き文からの漸次的語彙知識獲得, 人工知能学会誌, Vol.26, No.3, pp.440-450 (2011. 3.).
• Yasuhiro Ogawa, Kazuhiro Imai, Katsuhiko Toyama: Evaluation Metrics for Consistent Translation of Japanese Legal Sentences, Semantic Processing of Legal Texts, Revised Selected Papers, Lecture Notes in Computer Science, Vol.6036, pp.235-248, Springer (2010. 5.).
• Masato Hagiwara, Yasuhiro Ogawa, Katsuhiko Toyama: Supervised Synonym Acquisition Using Distributional Features and Syntactic Patterns, 自然言語処理, Vol.16, No.2, pp.53-89 (2009. 5.).
• Masato Hagiwara, Yasuhiro Ogawa, Katsuhiko Toyama: Bootstrapping-based Extraction of Dictionary Terms from Unsegmented Legal Text, New Frontiers in Artificial Intelligence: JSAI 2008 Conference and Workshops, Revised Selected Papers, Lecture Notes in Computer Science, Vol.5447, pp.213-227, Springer (2009. 4.).
• Masato Hagiwara, Yasuhiro Ogawa, Katsuhiko Toyama: A Comparative Study on Effective Context Selection for Distributional Similarity, 自然言語処理, Vol.15, No.5, pp.119-150 (2008.10.).
• Masato Hagiwara, Yasuhiro Ogawa, Katsuhiko Toyama: Effective Use of Indirect Dependency for Distibutional Similarity, 自然言語処理, Vol.15, No.4, pp.19-42 (2008. 9.).
• 外山勝彦, 小川泰弘: 自然言語処理の応用に基づく法令外国語訳支援, 人工知能学会誌, Vol.23, No.4, pp.521-528 (2008. 7.).
• Yasuhiro Ogawa, Shintaro Inagaki, Katsuhiko Toyama: Automatic Consolidation of Japanese Statutes based on Formalization of Amendment Sentences, New Frontiers in Artificial Intelligence: JSAI 2007 Conference and Workshops, Revised Selected Papers, Lecture Notes in Computer Science, Vol.4914, pp.363-376, Springer (2008. 2.).
• Yoshihide Kato, Shigeki Matsubara, Katsuhiko Toyama, Yasuyoshi Inagaki: Incremental Dependency Parsing based on Headed Context-Free Grammar, Systems and Computers in Japan, Vol.36, No.2, pp.63-77 (2005. 2.).
• 加藤芳秀, 松原茂樹, 外山勝彦, 稲垣康善: 主辞情報付き文脈自由文法に基づく漸進的な依存構造解析, 電子情報通信学会論文誌, Vol.J86-DII, No.1, pp.84-97 (2003. 1.).
• 加藤芳秀, 松原茂樹, 外山勝彦, 稲垣康善:確率文脈自由文法に基づく漸進的構文解析, 電気学会論文誌, Vol.122-C, No.12, pp.2109-2119 (2002.12.).
• Katsuhiko Toyama, Takahiro Kojima, Yasuyoshi Inagaki: Translating Multi-Agent Autoepistemic Logic into Logic Program, Electronic Notes in Theoretical Computer Science, Vol.70, No.5, 18 pages (2002.10.).
• 松原茂樹, 河口信夫, 外山勝彦, 武田一哉: 音声対話コーパスの収集と利用−より豊かな車内音声対話システムを目指して−, 人工知能学会誌, Vol.17, No.3, pp.279-284 (2002. 5.).
• 小島隆弘, 外山勝彦, 稲垣康善: 多エージェント系自己認識論理の論理プログラムへの変換, 人工知能学会誌, Vol.17, No.2, pp.114-126 (2002. 2.).
• 小川泰弘, ムフタル・マフスット, 杉野花津江, 外山勝彦, 稲垣康善: 派生文法に基づく日本語動詞句のウイグル語への翻訳, 言語処理, Vol.7, No.3, pp.57-77 (2000. 7.).
• 小川泰弘, ムフタル・マフスット, 外山勝彦, 稲垣康善: 派生文法による日本語形態素解析, 情報処理学会論文誌, Vol.40, No.3, pp.1080-1090 (1999. 3.).
• 松原茂樹, 浅井悟, 外山勝彦, 稲垣康善: 不適格表現を活用する漸進的な英日話し言葉翻訳手法, 電気学会論文誌, Vol.118-C, No.1, pp.71-78 (1998. 1.).
• 外山勝彦, 稲垣康善, 福村晃夫: 多エージェント系自己認識論理に基づく状態継続と因果関係の表現, 人工知能学会誌, Vol.12, No.3, pp.466-474 (1997. 5.).
• 外山勝彦, 稲垣康善: 2エージェント系自己認識論理の決定手続き, 人工知能学会誌, Vol.6, No.2, pp.218-227 (1991. 3.).
• 外山勝彦, 稲垣康善: 自己認識論理のエージェント系への拡張とその階層的知識の表現への応用, 人工知能学会誌, Vol.6, No.2, pp.208-217 (1991. 3.).
• 外山勝彦, 稲垣康善: 知識ベース更新の論理的モデル, 人工知能学会誌, Vol.2, No.4, pp.511-518 (1987.12.).

招待講演等

• 外山勝彦: 法務省・日本法令外国語訳データベースシステムとLegal-XML，情報ネットワーク法学会第9回研究大会パネルディスカッション「Legal XML」(2009.12.）
• 外山勝彦: 法令英訳支援のための対訳表現自動抽出技術の利用, 情報処理学会第70回全国大会サテライトイベント「ワクワクIT＠あきば2008」パネルディスカッション「暮らしを守る！法令工学って何だろう？」 (2008. 3.).
• 外山勝彦:e-legislation: 法制執務の電子化，JAIST-COEシンポジウム「法令工学の可能性と展望」(2007. 9.)
• 外山勝彦，小川泰弘, 今井一裕, 松浦好治: 法令英訳支援のための対訳表現自動抽出技術の応用, 平成18年度電気関係学会東海支部連合大会シンポジウム「自然言語処理技術とその応用」(2006. 9.).
• 松浦好治，外山勝彦: 法令データ情報の管理に基づく法令英訳プロジェクト, ワークショップ「日本の法令の英語訳：現状と展望」, 日米法学会 (2005. 9.).
• 外山勝彦，小川泰弘: コンピュータを利用した対訳辞書の作成, 内閣官房・法令外国語訳実施推進検討会議（第3回）(2005. 5.).
• 外山勝彦，松浦好治: コンピュータを利用した訳語・訳文の生成, 内閣・司法制度改革推進本部・国際化検討会・法令の外国語訳に関するワーキング・グループ（第4回）(2004.10.).
• 外山勝彦: 法務省・日本法令外国語訳データベースシステムと情報技術の応用, JaLIIシンポジウム「法令外国語訳：さらなる展開へ」(2009. 5.).
• 外山勝彦: 日本法令の英訳支援，第6回産業日本語研究会シンポジウム予稿集, pp.141-151 (2015. 2).

解説記事等

• 外山勝彦: 法情報基盤構築のための情報技術の活用, CALE NEWS, No.14, p.16 (2004. 5.).
• 外山勝彦, 小川泰弘, 松浦好治: 日本法令翻訳システムの構想, ジュリスト, No.1281, pp.2-5 (2004.12.).
• 佐野智也，小川泰弘，養老真一，外山勝彦，松浦好治: 仕事を楽にする−法律実務を支援するソフトウェア, 書斎の窓, Vol.553, pp.18-22 (2006. 4.)
• 外山勝彦: 法令外国語訳における標準対訳辞書について, NBL, Vol.836, pp.13-15 (2006. 6.).
• 外山勝彦: 日韓共同シンポジウム「日韓における国際的な法制協力の現状と課題」, CALE NEWS, No.25, p.12 (2008. 1.).

著書

• 外山勝彦（分担執筆）: グラフと木のアルゴリズムを調べよう, 坂部俊樹（編著）, プログラムの設計, pp.85-111, オーム社 (2000. 8.).

国際会議等発表

• Yasuhiro Ogawa, Yugo Kato, Katsuhiko Toyama: nukl's QA System at the NTCIR-16 QA Lab-PoliInfo-3, Proc. 16th NTCIR Conf. on Evaluation of Information Access Technologies, pp.220-226, Tokyo (2022. 6.).
• Takahiro Yamakoshi, Yasuhiro Ogawa, Katsuhiko Toyama: Differential-aware Transformer for Partially Amended Sentence Translation, Proc. 16th Int. Workshop on Juris-informatics, pp.167-180, Kyoto (2022. 6.).
• Takahiro Komamizu, Shoi Ito, Yasuhiro Ogawa, Katsuhiko Toyama: FPX-G: First Person Exploration for Graph, Proc. 4th International Conference on Multimedia Information Processing and Retrieval, pp.70-76, Online (2021. 9. 9).
• Takahiro Yamakoshi, Takahiro Komamizu, Yasuhiro Ogawa, Katsuhiko Toyama: Evaluation Scheme of Focal Translation for Japanese Partially Amended Statutes, Proc. 8th Workshop on Asian Translation, pp.124-132, Bangkok (Online), Thailand (2021. 8.).
• Yasuhiro Ogawa, Yuta Ikari, Takahiro Komamizu, Katsuhiko Toyama: NUKL at the NTCIR-15 QA Lab-PoliInfo-2 Task, Proc. 15th NTCIR Conf. on Evaluation of Information Access Technologies, pp.145-152, Online (2020.12.).
• Takahiro Yamakoshi, Takahiro Komamizu, Yasuhiro Ogawa, Katsuhiko Toyama: Differential Translation for Japanese Partially Amended Statutory Sentences, Proc. 14th Int. Workshop on Juris-informatics, pp.86-99, Online (2020.11.).
• Takahiro Yamakoshi, Takahiro Komamizu, Yasuhiro Ogawa, Katsuhiko Toyama: Japanese Mistakable Legal Term Correction using Infrequency-aware BERT Classifier, Proc. 2019 IEEE Int. Conf. on Big Data (3rd Annual Workshop on Applications of Artificial Intelligence in the Legal Industry), pp.4342-4351, Los Angels, USA (2019.12).
• Takahiro Komamizu, Kazuya Fujioka, Yasuhiro Ogawa, Katsuhiko Toyama: Exploring Relevant Parts between Legal Documents using Substructure Matching, Proc. 13th Int. Workshop on Juris-informatics, pp.16-28, Yokohama (2019.11).
• Takahiro Komamizu, Yushi Uchida, Yasuhiro Ogawa, Katsuhiko Toyama: Analyzing Japanese Law History through Modeling Multi-versioned Entity, Proc. Blockchain enabled Semantic Web Workshop and Contextualized Knowledge Graphs Workshop co-located with the 18th International Semantic Web Conference, 12 pages, Auckland, New Zealand (2019.10).
• Takahiro Yamakoshi, Vee Satayamas, Hutchatai Chanlekha, Yasuhiro Ogawa, Takahiro Komamizu, Asanee Kawtrakul, Katsuhiko Toyama: Thai Legal Term Correction using Random Forests with Outside-the-sentence Features, Proc. 33rd Pacific Asia Conference on Language, Information and Computation, pp.306-314, Hakodate (2019. 9).
• Yasuhiro Ogawa, Michiaki Satou, Takahiro Komamizu, Katsuhiko Toyama: nagoy Team's Summarization System at the NTCIR-14 QA Lab-PoliInfo, Proc. 14th NTCIR Conf. on Evaluation of Information Access Technologies, pp.182-189, Tokyo (2019. 6).
• Takahiro Yamakoshi, Takahiro Komamizu, Yasuhiro Ogawa, Katsuhiko Toyama: Japanese Legal Term Correction using Random Forests, Legal Knowledge and Information Systems, 31th Annual Conf. on the Foundation for Legal Knowledge Based Systems, Groningen, The Netherlands (2018.12.13). JURIX 2018: The 31th Annual Conference, pp.161-170, IOS Press (2018.12.).
• Takahiro Yamakoshi, Tomohiro Ohno, Yasuhiro Ogawa, Makoto Nakamura, Katsuhiko Toyama: Coordination Analysis for Japanese Statutory Sentences Using Neural Language Models, Proc. 11th Int. Workshop on Juris-informatics, pp.128-141, Tokyo (2017.11).
• Kazuya Fujioka, Makoto Nakamura, Yasuhiro Ogawa, Tomohiro Ohno, Katsuhiko Toyama: A Search Method for Ordinances and Rules in Japanese Local Governments Based on Distributed Representation, Proc. 9th Int. Conf. on Knowledge and Systems Engineering, pp.193-198, Hue, Vietnam (2017.10).
• Yasuhiro Ogawa, Makoto Nakamura, Tomoniro Ohno, Katsuhiko Toyama: Extraction of Legal Bilingual Phrases from the Japanese Official Gazette, English Edition, Proc. 8th Int. Conf. on Knowledge and Systems Engineering, 6 pages, Hanoi, Vietnam (2016.10.).
• Makoto Nakamura, Katsuhiko Toyama: Diachronic and Synchronic Analyses of Japanese Statutory Terminology -Case Study of Gas Business Act and Electricity Business Act-, Proc. Workshop on Legal Text, Document, and Corpus Analytics, pp.62-69, San Diego, USA (2016. 6).
• Yasuhiro Ogawa, Makoto Nakamura, Tomoniro Ohno, Katsuhiko Toyama: Extraction of Legal Bilingual Phrases from the Japanese Official Gazette, English Edition, Proc. 8th Int. Conf. on Knowledge and Systems Engineering, 6 pages, Hanoi, Vietnam (2016.10.).
• Satomi Sakamoto, Yasuhiro Ogawa, Makoto Nakamura, Tomoniro Ohno, Katsuhiko Toyama: Utilization of Multi-Word Expressions to Improve Statistical Machine Translation of Statutory Sentences, Proc. 8th Int. Workshop on Juris-informatics, pp.153-166, Yokohama (2015.11).
• Yoshiharu Matsuura, Katsuhiko Toyama, Amy Huey-Ling Shee, Yasuhiro Ogawa, Lee Heejeoung, Ding Xiangshun: Development of the CJKT (China, Japan, Korean and Taiwan) Multilingual Translation Dictionary of Law, Proc. 2015 Law via the Internet Conf., 9 pages, Sydney, Australia (2015.11).
• Makoto Nakamura, Yasuhiro Ogawa, and Katsuhiko Toyama: Development of the Diachronic Terminology from a Japanese Statutory Corpus, Proc. 2015 Law via the Internet Conf., 6 pages, Sydney, Australia (2015.11).
• Gen Kawachi, Makoto Nakamura, Yasuhiro Ogawa, Tomohiro Ohno, Katsuhiko Toyama: Applying the Akoma Ntoso XML Schema to Japanese Legislation, Proc. 2015 Law via the Internet Conf., 21 pages, Sydney, Australia (2015.11).
• Kouhei Okada, Yasuiro Ogawa, Makoto Nakamura, Tomohiro Ohno, Katsuhiko Toyama: Improvement of Translation Accuracy for the Outlines of Japanese Statutes by Splitting Parenthesized Expressions, Proc. 7th Int. Conf. on Knowledge and Systems Engineering, pp.67-72, Ho Chi Minh, Vietnam (2015.10.).
• Gen Kawachi, Makoto Nakamura, Yasuhiro Ogawa, Tomohiro Ohno, Katsuhiko Toyama: Daily News on Japanese Legislation toward Global Sharing of Japanese Legal Information, Proc. 2014 Law via the Internet Conf., 20 pages, Cape Town, South Africa (2014.10.).
• Makoto Nakamura, Yasuhiro Ogawa and Katsuhiko Toyama: Extraction of Legal Definitions and Their Explanations with Accessible Citations, Proc. 5th Workshop on Artificial Intelligence and Complex Legal Systems, 8 pages, Bologna, Italy (2013.12.).
• Dai Inagi, Yasuhiro Ogawa, Makoto Nakamura, Tomohiro Ohno, Katsuhiko Toyama: Statistical Machine Translation for Outlines of Japanese Statutes, Proc. 7th Int. Workshop on Juris-informatics, pp.37-49, Yokohama (2013.10.).
• Yasuhiro Ogawa, Dai Inagi, Makoto Nakamura, Katsuhiko Toyama: Translation for Outlines of Japanese Acts, Proc. 2013 Law via the Internet Conf., 12 pages, Jersey, Channel Islands (2013. 9.).
• Makoto Nakamura, Yasuhiro Ogawa, Katsuhiko Toyama: Extraction of Defined Legal Terms and their Explanations from a Japanese Legal Corpus - Towards Construction of a Legal Term Ontology, Proc. 2013 Law via the Internet Conf., 10 pages, Jersey, Channel Islands (2013. 9.).
• Amy Huey-Ling Shee, Yoshiharu Matsuura, Katsuhiko Toyama, Tokuyasu Kakuta, Yasuhiro Sekine: Making Law Information Smart, Friendly and Inspiring, Proc. 2012 Law via the Internet Conf., Ithaca, USA (2012.10.).
• Yasuhiro Sekine, Katsuhiko Toyama, Yasuhiro Ogawa, Yoshiharu Matsuura: The Development of Translation Memory Database System for Law Translation, Proc. 2012 Law via the Internet Conf., 21 pages, Ithaca, USA (2012.10.).
• Makoto Nakamura, Ryusei Kobayashi, Yasuhiro Ogawa, Katsuhiko Toyama: A Pattern-Based Approach to Hyponymy Relation Acquisition for the Agricultural Thesaurus, Proc. Int. Symp. on Agricultural Ontology Service 2012, pp.2-9, Kuching, Malaysia (2012. 9.).
• Jin Renzhe, Yasuhiro Ogawa, Agro Rachmatullah, Katsuhiko Toyama: Bootstrapping-based Extraction of Bilingual Dictionary Terms from Parallel Corpus, Proc. Joint Int. Symp. on Natural Language Processing and Agricultural Ontology Service 2011, pp.95-99, Bangkok (2012. 2.).
• Yasuhiro Ogawa, Masaki Mori, Katsuhiko Toyama: Recall-Oriented Evaluation Metrics for Consistent Translation of Japanese Legal Sentences, Proc. 5th Int. Workshop on Juris-informatics, pp.62-73, Takamatsu (2011.12.).
• Katsuhiko Toyama, Daichi Saito, Yasuhiro Sekine, Yasuhiro Ogawa, Tokuyasu Kakuta, Tariho Kimiura, Yoshiharu Matsuura: Design and Development of Japanese Law Translation Database System, Proc. Law via the Internet 2011, 12 pages, Hong Kong (2011. 6.).
• Yasuhiro Ogawa, Masayuki Yamada, Ryuta Kato, Katsuhiko Toyama: Design and Compilation of Syntactically Tagged Corpus of Japanese Statutory Sentences, Proc. 4th Int. Workshop on Juris-informatics, pp.85-96 (2010.11.).
• Yusuke Arai, Masato Hagiwara, Yasuhiro Ogawa, Katsuhiko Toyama: KWISC -Dependency Visualization for Understanding Context-, Proc. 8th Int. Symp. on Natural Language Processing, pp.163-168 (2009.10).
• Yasuhiro Ogawa, Muhtar Fukuda, Katsuhiko Toyama: Transliteration from Uighur to Uzbek for Expansion of Japanese Translation Dictionary, Proc. Int. Conf. on Asian Language Processing 2008, pp.182-188 (2008.11.).
• Nobuyuki Shimizu, Masato Hagiwara, Yasuhiro Ogawa, Katsuhiko Toyama, Hiroshi Nakagawa: Metric Learning for Synonym Acquistion, Proc. 22st Int. Conf. Computational Linguistics, pp.793-800 (2008. 8.).
• Masato Hagiwara, Yasuhiro Ogawa, Katsuhiko Toyama: Bootstrapping-based Extraction of Dictionary Terms from Unsegmented Legal Text, Proc. 2nd Int. Workshop on Juris-informatics, pp.63-72 (2008. 6.).
• Yasuhiro Ogawa, Kazuhiro Imai, Katsuhiko Toyama: Evaluation Metrics for Consistent Translation of Japanese Legal Sentences, Proc. LREC 2008 Workshop on Semantic Processing of Legal Texts, pp.42-50 (2008. 5.).
• Masato Hagiwara, Yasuhiro Ogawa, Katsuhiko Toyama: Context Feature Selection for Distributional Similarity, Proc. 3rd Int. Joint Conf. on Natural Language Processing, pp.553-560 (2008. 1.).
• Masato Hagiwara, Yasuhiro Ogawa, Katsuhiko Toyama: Effective Proximity Distance for Word-Based Context, Proc. 7th Int. Symp. on Natural Language Processing, pp.105-110 (2007.12.).
• 小川泰弘，外山勝彦： コンピュータを利用した法令対訳辞書の比較， 日韓共同シンポジウム「日韓における国際的な法制協力の現状と課題」，pp.27-41 (2007.10).
• Masato Hagiwara, Yasuhiro Ogawa, Katsuhiko Toyama: Effectiveness of Indirect Dependency for Automatic Synonym Acquisition, Proc. Workshop on Contextual Information in Semantic Space Models: Beyond Words and Documents, 6th Int. and Interdisciplinary Conf. Modeling and Using Context, pp.1-8 (2007. 8.).
• Yasuhiro Ogawa, Shintaro Inagaki, Katsuhiko Toyama: Automatic Consolidation of Japanese Statutes based on Formalization of Amendment Sentences, Proc. 1st Int. Workshop on Juris-informatics, pp.18-29 (2007. 6.).
• Katsuhiko Toyama, Yasuhiro Ogawa, Kazuihiro Imai, Yoshiharu Matsuura: Application of Word Alignment for Supporting Translation of Japanese Statutes into English, Legal Knowledge and Information Systems, JURIX 2006: The 19th Annual Conference, pp.141-150, IOS Press (2006.12.).
• Masato Hagiwara, Yasuhiro Ogawa, Katsuhiko Toyama: Selection of Effective Contextual Information for Automatic Synonym Acquisition, Proc. 21st Int. Conf. on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics, pp.353-360, Sydney (2006. 7.).
• Yasuhiro Ogawa, Katsuhiko Toyama: Bilingual KWIC: GUI Tool Supporting the Compilation of a Bilingual Dictionary, Proc. 6th Symposium on Natural Langugage Processing, Vol.2, pp77-84, Chiang Rai (2005.12.).
• Masato Hagiwara, Yasuhiro Ogawa, Katsuhiko Toyama: PLSI Utilization for Automatic Thesaurus Construction, Lecture Notes in Computer Science, Vol.3651, pp.334-345, Springer (2005.10.).
• Muhtar Mahsut, Yasuhiro Ogawa, Kazue Sugino, Katsuhiko Toyama, Yasuyoshi Inagaki: An Experiment on Japanese-Uighur Machine Translation and Its Evaluation, Machine Translation: From Real Users to Research, R. E. Frederking, K. B. Taylor (eds.), Lecture Notes in Computer Science, Vol.3265, pp.208-216, Springer (2004. 9.).
• Katsuhiko Toyama: Structurizing Statutory Texts: Basic Technologies for E-legislation, Int. Symp. on Future of Legislation : Strategies and Technologies for International Commnuication, Nagoya (2003.10.).
• Katsuhiko Toyama, Takahiro Kojima, Yasuyoshi Inagaki: Translating Multi-Agent Autoepistemic Logic into Logic Program, Proc. 3rd Int. Workshop on Computational Logic in Multi-Agent Systems, Copenhagen, pp.49-62 (2002.8.).
• Yasuhiro Ogawa, Muhtar Mahsut, Katsuhiko Toyama, Yasuyoshi Inagaki: Japanese-Uighur Machine Translation based on Derivational Grammar, Proc. 5th Natural Language Processing Pacific Rim Symp., Beijin, pp.303-308 (1999.11.).
• Muhtar Mahsut, Yasuyoshi Inagaki, Katsuhiko Toyama: A Method of Word Selection in Japanese-Uighur Machine Translation using Latent Semantic Analysis, Proc. 5th Natural Language Processing Pacific Rim Symp., Beijin, pp.459-462 (1999.11.).
• Yasuhiro Ogawa, Muhtar Mahsut, Katsuhiko Toyama, Yasuyoshi Inagaki: Derivational Grammar Approach to Morphological Analysis of Japanese Sentences, PRICAI'98: Topics in Artificial Intelligence, H.-Y. Lee, H. Motoda (eds.), Lecture Notes in Computer Science, Vol.1531, pp.424-435, Springer (1998.11.).
• Shigeki Matsubara, Katsuhiko Toyama, Yasuyoshi Inagaki: Towards Simultaneous Interpretation System -- Incremental Spoken Language Translation System Sync/Trans --, Proc. 4th Natural Language Processing Pacic Rim Symposium Workshop on Multilingual Information Processing, Phuket (1997.12.).
• Shigeki Matsubara, Satoru Asai, Yasuyoshi Inagaki, Katsuhiko Toyama: Chart-based Parsing and Transfer in Incremental Spoken Language Translation, Proc. 4th Natural Language Processing Pacific Rim Symp. incorporating 3rd Symp. on Natural Language Processing, Phuket, pp.521-524 (1997.12.).
• Shigeki Matsubara, Satoru Asai, Yasuyoshi Inagaki, Katsuhiko Toyama: Incremental Spoken Language Translation Utilizing Grammatically Ill-formed Expressions, Proc. 3rd Conf. of Pacific Assoc. for Computational Linguistics, Ohme, pp.188-194 (1997. 9.).
• Shigeki Matsubara, Hiroyuki Yamamoto, Nobuo Kawaguchi, Yasuyoshi Inagaki, Katsuhiko Toyama: An Interactive Multimodal Drawing System based on Incremental Interpretation, Proc. 15th Int. Joint Conf. on Artificial Intelligence Workshop on Intelligent Multimodal Systems, Nagoya, pp.55-62 (1997. 8.).
• Muhtar Mahsut, Katsuhiko Toyama, Yasuyoshi Inagaki: A Parameterized Approach to Processing Auxiliary Verbs in Japanese-Uighur Machine Translation, Proc. 2nd Symp. Natural Language Processing, Bangkok, pp.308-316 (1995. 8.).
• Katsuhiko Toyama, Yasuyoshi Inagaki, Teruo Fukumura: Representation of Persistence and Causality in Multi-Autoepistemic Logic, Zhang, C. et al. (eds.), Artificial Intelligence: Sowing the Seeds for the Future, p.605, World Scientific (1994.11.).
• Katushiko Toyama, Yasuyoshi Inagaki, Teruo Fukumura: Representation of Persistence and Causality in Multi-Autoepistemic Logic, Poster Proc. 7th Australian Joint Conference on Artificial Intelligence, Armidale, pp.33-40 (1994.11.).
• Muhtar Mahsut, Fabio Casablanca, Katsuhiko Toyama, Yasuyoshi Inagaki: Particle-based Machine Translation for Altaic Languages: the Japanese-Uighur Case, Proc. 3rd Pacific Rim International Conference on Artificial Intelligence, Beijing, pp.725-731 (1994. 8.).
• Katsuhiko Toyama, Yasuyoshi Inagaki, Teruo Fukumura: Knowledge Representation Based on Autoepistemic Logic for Multiple Agents, Proc. 1st Pacific Rim International Conference on Artificial Intelligence, Nagoya, pp.754-759 (1990.11.).
• Katshiko Toyama, Yasuyoshi Inagaki: Autoepistemic Logic for Two Agents and its Application to Representation of Hierarchical Knowledge, Proc. Japanese-Czechoslovak Seminar on Theoretical Foundations of Knowledge Information Processing, Prague, pp.71-81 (1989. 6.).

受賞

• The Best Paper Award, The 31th International Conference on Legal Knowledge and Information Systems (JURIX 2018) (2018.12.).
• 平成29年度情報化促進貢献個人等表彰　総務大臣賞 (2017.10.).
• 大学ICT推進協議会2013年度年次大会優秀論文賞 (2014.12).
• 言語処理学会第15回年次大会最優秀発表賞 (2009. 6).

開発等

• （作業協力）法令外国語訳・実施推進検討会議: 法令用語日英標準対訳辞書 (2006. 3.).
• （作業協力）法令外国語訳・専門家会議: 法令用語日英標準対訳辞書（平成19年3月改訂版） (2007. 3.).
• （作業協力）法令外国語訳・専門家会議: 法令用語日英標準対訳辞書（平成20年3月改訂版） (2008. 3.).
• （作業協力）法令外国語訳・専門家会議: 法令用語日英標準対訳辞書（平成21年3月改訂版） (2009. 3.).
• （作業協力）日本法令外国語訳推進会議: 法令用語日英標準対訳辞書（平成22年3月改訂版） (2010. 3.).
• （開発）法務省: 日本法令外国語訳データベースシステム（JLT） (2009. 3.).
• （開発協力）名古屋大学: 名古屋大学学内情報翻訳データベースシステム（NUTRIAD） (2010. 8.).
• （開発協力）総務省: 法制執務業務支援システム（e-LAWS） (2017.10.).
• （商標）"Bilinugal KWIC"，登録第5268751号 (2009.10.).