"K. Iwaya,Y. Kohsaka,K. Okawa,T. Machida,M.S. Bahramy,T. Hanaguri,T. Sasagawa","Full-gap Superconductivity in Spin-polarised Surface States of Topological Semimetal β-PdBi2",,"Nature Commun.",,"  8",,"  976",2017,Oct.
"畝田将登,難波 英嗣,竹澤寿幸,乾 孝司,岩山 真,橋田浩一,橋本 泰一,藤井 敦","特許請求項と詳細説明の自動対応付け",,"言語処理学会第18回年次大会発表論文集",,,,"pp. 1328-1331",2012,Mar.
"Koiti Hasida,Hidetsugu Nanba,Takashi Inui,Makoto Iwayama,Taiichi Hashimoto,Atsushi Fujii","Circulation of Collective Intelligence through Patents: An Early Progress Report",,"Proceedings of Conference of the Pacific Association for Computational Linguistics",,,,,2011,July
"乾 孝司,難波 英嗣,橋本 泰一,藤井 敦,岩山 真,橋田 浩一","最大クリーク探索に基づく特許検索履歴の統合",,"言語処理学会第17回年次大会発表論文集",,,,"pp. 1059-1062",2011,Mar.
"難波 英嗣,竹澤 寿幸,乾 孝司,岩山 真,橋田 浩一,橋本 泰一,藤井 敦","特許検索履歴を用いたシソーラスの自動構築",,"言語処理学会第17回年次大会発表論文集",,,,"pp. 896-899",2011,Mar.
"橋田 浩一,藤井 敦,岩山 真,橋本 泰一,乾 孝司,難波 英嗣","特許の先行技術調査における集合知の循環",,"言語処理学会第17回年次大会発表論文集",,,,"pp. 866-867",2011,Mar.
"難波 英嗣,藤井 敦,岩山 真,橋本 泰一","論文と特許を対象にした技術動向分析",,"Japio Year Book 2010",,,,"pp. 188-193",2010,Nov.
"難波 英嗣,藤井 敦,岩山 真,橋本 泰一","論文と特許を対象にした技術動向分析: 第7回，第8回NTCIRワークショップ特許マイニングタスク",,"情報管理",,"Vol. 52","No. 6","pp. 334-342",2009,Sept.
"難波 英嗣,藤井 敦,岩山 真,橋本 泰一","学術論文の国際特許分類への自動分類： 第7回NTCIRワークショップ特許マイニングタスク成果報告",,"言語処理学会第15回年次大会発表論文集",,,,"pp. 562-565",2009,Mar.
"Hidetsugu Nanba,Atsushi Fujii,Makoto Iwayama,Taiichi Hashimoto","Overview of the Patent Mining Task at the NTCIR-7 Workshop",,"Proceedings of the 7th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-lingual Information Access",,,,"pp. 325-332",2008,Dec.
"難波 英嗣,藤井 敦,岩山 真,橋本 泰一","学術論文の国際特許分類への自動分類",,"Japio 2008 Year Book",,,,"pp. 240-243",2008,Nov.
"Hidetsugu Nanba,Atsushi Fujii,Makoto Iwayama,Taiichi Hashimoto","The Patent Mining Task in the Seventh NTCIR Workshop",,"Proceedings of the 1st International CIKM Workshop on Patent Information Retrieval",,,,"pp. 25-31",2008,Oct.
"藤井 敦,難波 英嗣,岩山 真,神門 典子,内山 将夫,山本 幹雄,宇津呂 武仁,橋本 泰一","特許情報処理を指向したテストコレクションの構築： 情報検索と自然言語処理の融合を目指して",,"情報処理学会研究報告",,"  2008-FI-89/2008-NL-183",,"pp. 31-36",2008,Jan.
"Atsushi Fujii,Makoto Iwayama,Noriko Kando","Introduction to the special issue on patent processing",,"Information Processing & Management",,"Vol. 43","No. 5","pp. 1149-1153",2007,Sept.
"Atsushi Fujii,Makoto Iwayama,Noriko Kando","Overview of the Patent Retrieval Task at the NTCIR-6 Workshop",,"Proceedings of the 6th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access",,,,"pp. 359-365",2007,May
"Makoto Iwayama,Atsushi Fujii,Noriko Kando","Overview of Classification Subtask at NTCIR-6 Patent Retrieval Task",,"Proceedings of the 6th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access",,,,"pp. 366-372",2007,May
"Atsushi Fujii,Makoto Iwayama,Noriko Kando","Test Collections for Patent Retrieval and Patent Classification in the Fifth NTCIR Workshop",,"Proceedings of the 5th International Conference on Language Resources and Evaluation",,,,"pp. 671-674",2006,May
"Makoto Iwayama,Atsushi Fujii,Noriko Kando,Yuzo Marukawa","Evaluating patent retrieval in the third NTCIR workshop",,"Information Processing & Management",,"Vol. 42","No. 1","pp. 207-221",2006,Jan.
"Makoto Iwayama,Atsushi Fujii,Noriko Kando","Overview of Classification Subtask at NTCIR-5 Patent Retrieval Task",,"Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-lingual Information Access",,,,"pp. 278-286",2005,Dec.
"Atsushi Fujii,Makoto Iwayama,Noriko Kando","Overview of Patent Retrieval Task at NTCIR-5",,"Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-lingual Information Access",,,,"pp. 269-277",2005,Dec.
"Makoto Iwayama,Atsushi Fujii,Noriko Kando,Akihiko Takano","Report on the Patent Retrieval Task at NTCIR Workshop 3",,"SIGIR Forum",,"Vol. 38","No. 1","pp. 22-24",2004,July
"Atsushi Fujii,Makoto Iwayama,Noriko Kando","The Patent Retrieval Task in the Fourth NTCIR Workshop",,"Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval",,,,"pp. 560-561",2004,July
"Atsushi Fujii,Makoto Iwayama,Noriko Kando","Overview of Patent Retrieval Task at NTCIR-4",,"Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, Question Answering and Summarization",,,,,2004,June
"Atsushi Fujii,Makoto Iwayama,Noriko Kando","Test Collections for Patent-to-Patent Retrieval and Patent Map Generation in NTCIR-4 Workshop",,"Proceedings of the 4th International Conference on Language Resources and Evaluation",,,,"pp. 1643-1646",2004,May
"藤井 敦,岩山 真,神門 典子","NTCIR-4における類似特許検索テストコレクションの構築",,"情報処理学会研究報告",,"  2004-NL-159",,"pp. 45-52",2004,Jan.
"Makoto Iwayama,Atsushi Fujii,Noriko Kando,Akihiko Takano","Overview of Patent Retrieval Task at NTCIR-3",,"Proceedings of the ACL2003 Workshop on Patent Corpus Processing",,,,"pp. 24-32",2003,July
"Makoto Iwayama,Atsushi Fujii,Noriko Kando,Yuzo Marukawa","An Empirical Study on Retrieval Models for Different Document Genres: Patents and Newspaper Articles",,"Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval",,,,"pp. 251-258",2003,July
"岩山 真,藤井 敦,神門 典子,丸川 雄三","特許検索の諸相 −「NIIテストコレクション3特許」を用いて−",,"言語処理学会第9回年次大会発表論文集",,,,"pp. 671-674",2003,Mar.
"Makoto Iwayama,Atsushi Fujii,Noriko Kando,Akihiko Takano","Overview of Patent Retrieval Task at NTCIR-3",,"Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, Automatic Text Summarization and Question Answering",,,,,2002,Oct.
"岩山 真,藤井 敦,高野 明彦,神門 典子","特許コーパスを用いた検索タスクの提案",,"情報処理学会研究報告",,"  2001-FI-63",,"pp. 49-56",2001,July
"Takenobu Tokunaga,Atsushi Fujii,Makoto Iwayama,Naoyuki Saskurai,Hozumi Tanaka","Extending a thesaurus by classifying words",,"Proceedings of the ACL-EACL Workshop on Automatic Information Extraction and Building of Lexical Semantic Resources",,,,"pp. 16-21",1997,July