Sachio Hirokawa

173 papers B 13C 19Misc 3Journal 28Unranked 107

Year	Rank	Type	Title / Venue / Authors
2021	—	`conf`	A Preliminary Study on the Medium-term Plan of Public Universities Transferred from Private Universities. IIAI-AAI-Winter Soichiro Aihara, Toru Sugihara, Kahori Ogashiwa, Kumiko Kanekawa, Masao Mori, Sachio Hirokawa
2020	—	`ed.`	9th International Congress on Advanced Applied Informatics, IIAI-AAI 2020, Kitakyushu, Japan, September 1-15, 2020 IIAI-AAI Tokuro Matsuo, Kunihiko Takamatsu, Yuichi Ono, Sachio Hirokawa
2020	—	`conf`	Prediction of Category of Scientific Article by Graph Convolution. IIAI-AAI Sachio Hirokawa, Takahiko Suzuki, Tetsuya Nakatoh
2019	—	`conf`	Does Crime Activity Report Reveal Regional Characteristics? IMCOM Tsunenori Mine, Sachio Hirokawa, Takahiko Suzuki
2019	—	`conf`	Evaluation Index to Find Relevant Papers: Improvement of Focused Citation Count. HCI (4) Tetsuya Nakatoh, Sachio Hirokawa
2019	—	`conf`	Extracting Irregular Datasets in University Admission Statistics using Text Mining and Benford's Law. IIAI-AAI Yusuke Tozaki, Takahiko Suzuki, Tsunenori Mine, Sachio Hirokawa
2019	—	`conf`	Location does not always determine sudden braking. ITSC Takuya Kawatani, Eisuke Itoh, Sachio Hirokawa, Tsunenori Mine
2019	—	`conf`	Machine Learning and Visualization of Sudden Braking using Probe Data. IIAI-AAI Takuya Kawatani, Eisuke Itoh, Sachio Hirokawa, Tsunenori Mine
2019	—	`conf`	Predict the Next Location From Trajectory Based on Spatiotemporal Sequence. IIAI-AAI Jun Zeng, Haoran Tang, Yingbo Wu, Ling Liu, Sachio Hirokawa
2019	—	`conf`	Quantitive Analysis of Important Attributes to Attract International Conventions. IIAI-AAI Hidekazu Iwamoto, Tokuro Matsuo, Yasushi Sugiyama, Sachio Hirokawa
2019	—	`conf`	Significance of Low-Frequent Words in Concept Describing Document. IIAI-AAI Yuki Okumura, Sachio Hirokawa, Kazuhiro Takeuchi
2019	—	`conf`	Text Mining and Logic Model for University Midterm Plans. IIAI-AAI Kahori Ogashiwa, Eiichi Takata, Tetsuya Oishi, Masao Mori, Sachio Hirokawa
2019	—	`conf`	Ties Between Mined Structural Patterns in Program and Their Identifier Names. IUKM Yoshiki Mashima, Sachio Hirokawa, Kazuhiro Takeuchi
2018	J	`jnl`	An Automatic Method to Extract Online Foreign Language Learner Writing Error Characteristics. Int. J. Distance Educ. Technol. Brendan Flanagan, Sachio Hirokawa
2018	J	`jnl`	Attribute-based quality classification of academic papers. Artif. Life Robotics Tetsuya Nakatoh, Sachio Hirokawa, Toshiro Minami, Takeshi Nanri, Miho Funamori
2018	—	`conf`	Automated Evaluation of Students Comments Regarding Correct Concepts and Misconceptions of Convex Lenses. IIAI-AAI Masaru Taga, Toshihiro Onishi, Sachio Hirokawa
2018	C	`conf`	Good Students Look Back Previous Pages. ICCE Sachio Hirokawa
2018	—	`conf`	Identification of Unnatural Subsets in Statistical Data. IIAI-AAI Takahiko Suzuki, Tssukasa Kamimasu, Tetsuya Nakatoh, Sachio Hirokawa
2018	—	`conf`	Is SVM+FS Better to Satisfy Decision by Majority? SCDM Yao Lin, Kohei Yamaguchi, Tsunenori Mine, Sachio Hirokawa
2018	—	`conf`	Key attribute for predicting student academic performance. ICETC Sachio Hirokawa
2018	—	`conf`	Quality Assurance in Education through the Diploma Policy and President's Message - An Analysis Focused on Local Community. IIAI-AAI Kahori Ogashiwa, Toru Sugihara, Kumiko Kanekawa, Yuki Kitanaka, Kazuhisa Noguchi, Soichiro Aihara, Masao Mori, Sachio Hirokawa
2018	—	`conf`	User Behavior Analysis of Location-Based Social Network. IIAI-AAI Jun Zeng, Xin He, Yingbo Wu, Sachio Hirokawa
2017	—	`conf`	A Multi-model SVR Approach to Estimating the CEFR Proficiency Level of Grammar Item Features. IIAI-AAI Brendan Flanagan, Sachio Hirokawa, Emiko Kaneko, Emi Izumi, Hiroaki Ogata
2017	—	`conf`	A Point-of-Interest Recommendation Method Using Location Similarity. IIAI-AAI Jun Zeng, Yinghua Li, Feng Li, Junhao Wen, Sachio Hirokawa
2017	—	`conf`	An Analysis of Characteristics of Student-Athletes from Questionnaire by SVM. IIAI-AAI Toru Sugihara, Soichiro Aihara, Sachio Hirokawa, Takashi Nara
2017	—	`conf`	Analysis of the Quality of Academic Papers by the Words in Abstracts. HCI (4) Tetsuya Nakatoh, Kenta Nagatani, Toshiro Minami, Sachio Hirokawa, Takeshi Nanri, Miho Funamori
2017	—	`conf`	Classification of Imbalanced Documents by Feature Selection. ICCDA Yusuke Adachi, Naoya Onimura, Takanori Yamashita, Sachio Hirokawa
2017	C	`conf`	Cluster analysis of scientific citation context. iiWAS Tetsuya Nakatoh, Kenta Nagatani, Kumiko Kanekawa, Takahiro Suzuki, Sachio Hirokawa
2017	—	`conf`	Finding Key Integer Values in Many Features for Learners' Academic Performance Prediction. ICETC Yudai Tanabe, Koki Kagari, Yuki Kitanaka, Kazuhiro Takeuchi, Sachio Hirokawa
2017	—	`conf`	Graph Clustering System for Text-Based Records in a Clinical Pathway. MedInfo Takanori Yamashita, Naoya Onimura, Hidehisa Soejima, Naoki Nakashima, Sachio Hirokawa
2017	J	`jnl`	LTDE: A Layout Tree Based Approach for Deep Page Data Extraction. IEICE Trans. Inf. Syst. Jun Zeng, Feng Li, Brendan Flanagan, Sachio Hirokawa
2017	B	`conf`	Machine learning is better than human to satisfy decision by majority. WI Sachio Hirokawa, Takahiko Suzuki, Tsunenori Mine
2017	J	`jnl`	Personalized Movie Recommendation System Based on Support Vector Machine and Improved Particle Swarm Optimization. IEICE Trans. Inf. Syst. Xibin Wang, Fengji Luo, Chun-Yan Sang, Jun Zeng, Sachio Hirokawa
2017	—	`conf`	Predicting Learning Result of Learner in E-learning Course with Feature Selection Using SVM. ICETC Yuki Kitanaka, Kazuhiro Takeuchi, Sachio Hirokawa
2017	—	`conf`	Who is the Last Author of Your Paper? IIAI-AAI Kumiko Kanekawa, Tetsuya Nakatoh, Takahiko Suzuki, Sachio Hirokawa
2016	—	`conf`	A Restaurant Recommender System Based on User Preference and Location in Mobile Environment. IIAI-AAI Jun Zeng, Feng Li, Haiyang Liu, Junhao Wen, Sachio Hirokawa
2016	—	`conf`	A Visual Citation Search Engine. HCI (4) Tetsuya Nakatoh, Hayato Nakanishi, Toshiro Minami, Kensuke Baba, Sachio Hirokawa
2016	J	`jnl`	Automated Duplicate Bug Report Detection Using Multi-Factor Analysis. IEICE Trans. Inf. Syst. Jie Zou, Ling Xu, Mengning Yang, Xiaohong Zhang, Jun Zeng, Sachio Hirokawa
2016	—	`conf`	Automatic Extraction and Prediction of Word Order Errors from Language Learning SNS. IIAI-AAI Brendan Flanagan, Sachio Hirokawa
2016	—	`conf`	Bibliometric Search with Focused Citation Ratios. IIAI-AAI Tetsuya Nakatoh, Hayato Nakanishi, Toshiro Minami, Kensuke Baba, Sachio Hirokawa
2016	—	`conf`	Classification of Speaking Proficiency Level by Machine Learning and Feature Selection. SETE@ICWL Brendan Flanagan, Sachio Hirokawa, Emiko Kaneko, Emi Izumi
2016	—	`conf`	Difficulty of words and their ambiguity estimated from the result of word sense disambiguation. KICSS Takahiko Suzuki, Koki Miyata, Sachio Hirokawa
2016	—	`conf`	Feature Words of Moves in Scientific Abstracts. IIAI-AAI Kiyota Hashimoto, Tasanawan Soonklang, Sachio Hirokawa
2016	—	`conf`	Learning Activity Features of High Performance Students. CrossLAK Fumiya Okubo, Sachio Hirokawa, Misato Oi, Chengjiu Yin, Atsushi Shimada, Kentaro Kojima, Masanori Yamada, Hiroaki Ogata
2016	C	`conf`	Measuring & Evaluating Digital Textbooks through Quizzes. ICCE Chengjiu Yin, Jane Yin-Kim Yau, Noriko Uosaki, Sachio Hirokawa, Etsuko Kumamoto
2016	—	`conf`	Prediction of Key Patient Outcome from Sentence and Word of Medical Text Records. ClinicalNLP@COLING 2016 Takanori Yamashita, Yoshifumi Wakata, Hidehisa Soejima, Naoki Nakashima, Sachio Hirokawa
2016	J	`jnl`	Shilling Attack Detection in Recommender Systems via Selecting Patterns Analysis. IEICE Trans. Inf. Syst. Wentao Li, Min Gao, Hua Li, Jun Zeng, Qingyu Xiong, Sachio Hirokawa
2016	C	`conf`	Standard measure and SVM measure for feature selection and their performance effect for text classification. iiWAS Yusuke Adachi, Naoya Onimura, Takanori Yamashita, Sachio Hirokawa
2016	C	`conf`	Student Behavior in Computer Simulation Practices by Pair Programming and Flip Teaching. ICCE Satoshi Suzuki, Sachio Hirokawa, Shinji Mukoyama, Ryo Uehara, Hiroyuki Ogata
2016	—	`conf`	Support Vector Mind Map of Wine Speak. HCI (4) Brendan Flanagan, Sachio Hirokawa
2015	J	`jnl`	A Predictive Model to Evaluate Student Performance. J. Inf. Process. Shaymaa E. Sorour, Tsunenori Mine, Kazumasa Goda, Sachio Hirokawa
2015	C	`conf`	Analyzing the Features of Learning Behaviors of Students using e-Books. ICCE Chengjiu Yin, Fumiya Okubo, Atsushi Shimada, Misato Oi, Sachio Hirokawa, Masanori Yamada, Kentaro Kojima, Hiroaki Ogata
2015	—	`conf`	Correlation between an Entropy Based Measure and English Language Learner Proficiency. IIAI-AAI Brendan Flanagan, Sachio Hirokawa
2015	—	`ch.`	Discovery of Implicit Feature Words of Place Name. Tourism Informatics Sachio Hirokawa, Tetsuya Nakatoh, Hiroto Nakae, Takahiro Suzuki
2015	J	`jnl`	Dynamic Macro-Based Heuristic Planning through Action Relationship Analysis. IEICE Trans. Inf. Syst. Zhuo Jiang, Junhao Wen, Jun Zeng, Yihao Zhang, Xibin Wang, Sachio Hirokawa
2015	—	`ch.`	Extraction of Tourism Objects from Blogs. Tourism Informatics Tetsuya Nakatoh, Sachio Hirokawa
2015	—	`conf`	Focused Citation Count: A Combined Measure of Relevancy and Quality. IIAI-AAI Tetsuya Nakatoh, Hayato Nakanishi, Kensuke Baba, Sachio Hirokawa
2015	C	`conf`	Identifying and Analyzing the Learning Behaviors of Students using e-Books. ICCE Chengjiu Yin, Fumiya Okubo, Atsushi Shimada, Misato Oi, Sachio Hirokawa, Hiroaki Ogata
2015	—	`conf`	Journal Impact Factor Revised with Focused View. KES-IDT Tetsuya Nakatoh, Hayato Nakanishi, Sachio Hirokawa
2015	J	`jnl`	Power Law and Entropy. CoRR Sachio Hirokawa, Eisuke Ito
2015	—	`conf`	Predicting and Visualizing Wine Characteristics Through Analysis of Tasting Notes from Viewpoints. HCI (27) Brendan Flanagan, Nao Wariishi, Takahiko Suzuki, Sachio Hirokawa
2015	—	`conf`	Prediction of Learner Native Language by Writing Error Pattern. HCI (24) Brendan Flanagan, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa
2015	—	`conf`	Sentiment Analysis of Wine Aroma. IIAI-AAI Nao Wariishi, Brendan Flanagan, Takahiko Suzuki, Sachio Hirokawa
2015	—	`conf`	Temporal Relation Extraction in Outcome Variances of Clinical Pathways. MedInfo Takanori Yamashita, Yoshifumi Wakata, Satoshi Hamai, Yasuharu Nakashima, Yukihide Iwamoto, Brendan Flanagan, Naoki Nakashima, Sachio Hirokawa
2015	—	`conf`	Unique Links as Weak Ties. IIAI-AAI Yasuhiro Yamada, Daisuke Ikeda, Sachio Hirokawa
2015	—	`conf`	Vector Similarity of Related Words in the Japanese Word Net. IIAI-AAI Takuya Hirao, Nao Wariishi, Takahiko Suzuki, Sachio Hirokawa
2015	B	`conf`	Visualization of Key Factor Relation in Clinical Pathway. KES Takanori Yamashita, Brendan Flanagan, Yoshifumi Wakata, Satoshi Hamai, Yasuharu Nakashima, Yukihide Iwamoto, Naoki Nakashima, Sachio Hirokawa
2015	C	`conf`	Visualization of e-Book Learning Logs. ICCE Sachio Hirokawa, Chengjiu Yin, Jingyun Wang, Misato Oi, Hiroaki Ogata
2014	—	`conf`	A Hybrid Trust Degree Model in Social Network for Recommender System. IIAI-AAI Jun Zeng, Min Gao, Junhao Wen, Sachio Hirokawa
2014	J	`jnl`	A Web Page Segmentation Approach Using Visual Semantics. IEICE Trans. Inf. Syst. Jun Zeng, Brendan Flanagan, Sachio Hirokawa, Eisuke Ito
2014	C	`conf`	Chinese tag analysis for foreign movie contents. ICIS Xiao Lin, Eisuke Ito, Sachio Hirokawa
2014	—	`conf`	Classification and Clustering English Writing Errors Based on Native Language. IIAI-AAI Brendan Flanagan, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa
2014	J	`jnl`	Classification of English language learner writing errors using a parallel corpus with SVM. Int. J. Knowl. Web Intell. Brendan Flanagan, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa
2014	—	`conf`	Comments Data Mining for Evaluating Student's Performance. IIAI-AAI Shaymaa E. Sorour, Tsunenori Mine, Kazumasa Goda, Sachio Hirokawa
2014	—	`conf`	Construction of Dominant Factor Presumption Model for Postoperative Hospital Days from Operation Records. IIAI-AAI Takanori Yamashita, Yoshifumi Wakata, Satoshi Hamai, Yasuharu Nakashima, Yukihide Iwamoto, Brendan Flanagan, Naoki Nakashima, Sachio Hirokawa
2014	—	`conf`	Detection of Misplacement of Synonyms in the Japanese WordNet. IIAI-AAI Takuya Hirao, Takahiko Suzuki, Koki Miyata, Sachio Hirokawa
2014	—	`conf`	Discovery of Implicit Feature Words of Place Name. IIAI-AAI Sachio Hirokawa, Tetsuya Nakatoh, Hiroto Nakae, Takahiro Suzuki
2014	—	`conf`	Efficiency of LSA and K-means in Predicting Students' Academic Performance Based on Their Comments Data. CSEDU (1) Shaymaa E. Sorour, Tsunenori Mine, Kazumasa Goda, Sachio Hirokawa
2014	—	`conf`	Implementation and Evaluation of Real Time Qualitative Feedback Systems in a Foreign Language Presentation Course. IIAI-AAI Yuichi Ono, Manabu Ishihara, Sachio Hirokawa, Mitsuo Yamashiro
2014	—	`conf`	Learning Winespeak from Mind Map of Wine Blogs. HCI (13) Sachio Hirokawa, Brendan Flanagan, Takahiko Suzuki, Chengjiu Yin
2014	C	`conf`	Learning by "Search & Log". ICCE Chengjiu Yin, Brendan Flanagan, Sachio Hirokawa
2014	—	`conf`	Non-Topical Classification of Healthcare Information on the Web. IDT/IIMSS/STET Sachio Hirokawa, Emi Ishita
2014	C	`conf`	Predicting students' grades based on free style comments data by artificial neural network. FIE Shaymaa E. Sorour, Tsunenori Mine, Kazumasa Goda, Sachio Hirokawa
2014	—	`conf`	Prediction of Students' Grades Based on Free-Style Comments Data. ICWL Shaymaa E. Sorour, Tsunenori Mine, Kazumasa Goda, Sachio Hirokawa
2014	B	`conf`	Real time text-based feedback systems from frequency-based feedback to mindmap feedback in foreign language teaching. SMC Yuichi Ono, Sachio Hirokawa, Manabu Ishihara, Mitsuo Yamashiro
2014	C	`conf`	Real-time Feedback Systems in a Foreign Language Teaching: A Case of Presentation Course. ICCE Yuichi Ono, Manabu Ishihara, Sachio Hirokawa, Mitsuo Yamashiro
2013	C	`conf`	A Private Cloud Environment for Teaching Search Engine Construction. ICCE Eisuke Ito, Brendan Flanagan, Chengjiu Yin, Tetsuya Nakatoh, Sachio Hirokawa
2013	C	`conf`	A investigation of opinions and demands of new farming applicants of Japan using concept graph in the questionnaire survey. ICIS Makoto Okada, Sachio Hirokawa, Kiyota Hashimoto
2013	J	`jnl`	An Automated Method to Generate e-Learning Quizzes from Online Language Learner Writing. Int. J. Distance Educ. Technol. Brendan Flanagan, Chengjiu Yin, Sachio Hirokawa, Kiyota Hashimoto, Yoshiyuki Tabata
2013	C	`conf`	An SNS-based Literature Review System for conducting a Research Survey. ICCE Chengjiu Yin, Jane Yin-Kim Yau, Sachio Hirokawa, Yoshiyuki Tabata
2013	—	`conf`	Analysis of Opinions from Questionnaire Surveys of Farming Candidates using Cross Tabulation System. IIMSS Makoto Okada, Sachio Hirokawa, Kiyota Hashimoto
2013	—	`conf`	Automated Evaluation of Student Comments on Their Learning Behavior. ICWL Kazumasa Goda, Sachio Hirokawa, Tsunenori Mine
2013	J	`jnl`	Automatic generation of tourism quiz using blogs. Artif. Life Robotics Jun Zeng, Toshihiko Sakai, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa
2013	—	`conf`	Build a Search Engine to Support Doing Research Surveys on SNS. IIAI-AAI Chengjiu Yin, Brendan Flanagan, Sachio Hirokawa, Yoshiyuki Tabata
2013	—	`conf`	Correlation of grade prediction performance and validity of self-evaluation comments. SIGITE Conference Kazumasa Goda, Sachio Hirokawa, Tsunenori Mine
2013	—	`conf`	Evaluation of Tourism Resources Extraction Based on Japanese Dependency Analysis. IIAI-AAI Tetsuya Nakatoh, Sachio Hirokawa
2013	—	`conf`	Intelligent Computer Classification of English Writing Errors. IIMSS Brendan Flanagan, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa
2013	—	`conf`	Keywords Frequency Trend Analysis of Online Novels. IIAI-AAI Eisuke Ito, Takahiro Urakawa, Brendan Flanagan, Sachio Hirokawa
2013	C	`conf`	Layout-tree-based approach for identifying visually similar blocks in a web page. ICIS Jun Zeng, Brendan Flanagan, Sachio Hirokawa
2013	J	`jnl`	Learning by Searching: A Learning Environment that Provides Searching and Analysis Facilities for Supporting Trend Analysis Activities. J. Educ. Technol. Soc. Chengjiu Yin, Han-Yu Sung, Gwo-Jen Hwang, Sachio Hirokawa, Hui-Chun Chu, Brendan Flanagan, Yoshiyuki Tabata
2013	—	`conf`	Prediction of Growth Rate of Operating Income Using Securities Reports. IIAI-AAI Tetsuya Nakatoh, Hirofumi Amano, Sachio Hirokawa
2013	—	`conf`	Proposal of Seam Degree and Content Similarity for Web Page Segmentation. IIAI-AAI Jun Zeng, Brendan Flanagan, Qingyu Xiong, Junhao Wen, Sachio Hirokawa
2013	—	`conf`	Proposal of a Matching System for Companies and Researchers Using Patents and Scientific Papers. IIAI-AAI Yasuhiro Yamada, Terutaka Tansho, Sachio Hirokawa
2013	J	`jnl`	Research Trends with Cross Tabulation Search Engine. Int. J. Distance Educ. Technol. Chengjiu Yin, Sachio Hirokawa, Jane Yin-Kim Yau, Kiyota Hashimoto, Yoshiyuki Tabata, Tetsuya Nakatoh
2013	—	`conf`	Shifting Concepts to Their Associative Concepts via Bridges. MLDM Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, Kiyota Hashimoto, Sachio Hirokawa
2012	—	`conf`	A "Milky Way Research Trend" System for Survey of Scientific Literature. ICWL Workshops Chengjiu Yin, Yoshiyuki Tabata, Sachio Hirokawa
2012	—	`conf`	Analysing Research Trends of Mobile Learning with the Milky Way. WMUTE Brendan Flanagan, Chengjiu Yin, Sachio Hirokawa, Han-Yu Sung, Gwo-Jen Hwang
2012	—	`conf`	Descriminant Words for Problems in Scientific Articles. ACIS-ICIS Toshihiko Sakai, Jun Zeng, Brendan Flanagan, Tetsuya Nakatoh, Sachio Hirokawa
2012	B	`conf`	Extraction of Feature Words with the Same Generality Level as Query using Restricted Bootstrapping. CEC Jun Zeng, Toshihiko Sakai, Brendan Flanagan, Sachio Hirokawa
2012	B	`conf`	Extraction of Hints and Advice from Hotel Reviews for Improving Small Hotel Management. CEC Sachio Hirokawa, Makoto Okada, Kiyota Hashimoto
2012	—	`conf`	Extraction of Relevant Snippets from Web Pages Using Hybrid Features. IIAI-AAI Jun Zeng, Qingyu Xiong, Junhao Wen, Sachio Hirokawa
2012	—	`conf`	Extraction of Tourist Behavior Contexts from Blog by Verbs and Their Objects. IIAI-AAI Tetsuya Nakatoh, Sachio Hirokawa
2012	—	`conf`	Extraction of relevant components using shallow structure of HTML documents. FSKD Jun Zeng, Brendan Flanagan, Toshihiko Sakai, Sachio Hirokawa
2012	—	`conf`	Feature Extraction Using Restricted Bootstrapping. ACIS-ICIS Sachio Hirokawa
2012	C	`conf`	Feature words that classify problem sentence in scientific article. iiWAS Toshihiko Sakai, Sachio Hirokawa
2012	—	`conf`	Introducing faceted views in diversity of online novels. ICDIM Eisuke Ito, Sachio Hirokawa, Kazunori Shimizu
2012	—	`conf`	Mistake Discovery and Generation of Exercises Automaticity in Context. IIAI-AAI Chengjiu Yin, Sachio Hirokawa, Brendan Flanagan, Takahiko Suzuki, Yoshiyuki Tabata
2012	—	`conf`	Near Friends Communication Encouragement System Using NFC and SNS. IIAI-AAI Hiroaki Ninomiya, Eisuke Ito, Brendan Flanagan, Sachio Hirokawa
2012	—	`conf`	Search Engine Focused on Multiple Features of Scientific Articles. IIAI-AAI Toshihiko Sakai, Brendan Flanagan, Jun Zeng, Tetsuya Nakatoh, Sachio Hirokawa
2011	—	`conf`	A Progressive Data Warehouse of Institutional Research with Web API and Mashup Visualization. CSEDU (2) Masao Mori, Toshie Tanaka, Sachio Hirokawa
2011	C	`conf`	A Support System for Research Trend Survey of Scientific Literature. ICCE Chengjiu Yin, Yoshiyuki Tabata, Kiyota Hashimoto, Tetsuya Nakatoh, Sachio Hirokawa
2011	—	`conf`	Building a Search Engine for Scientific Projects Survey. iThings/CPSCom Chengjiu Yin, Yoshiyuki Tabata, Xiaobin Wu, Tetsuya Nakatoh, Sachio Hirokawa
2011	—	`conf`	Classification Network of tourism information A smart phone-based system for supporting "Petit Trips". iCAST Chengjiu Yin, Eisuke Ito, Tetsuya Nakatoh, Sachio Hirokawa
2011	—	`conf`	Component search engine using tree-view interface for tourist blogs. iCAST Jun Zeng, Sachio Hirokawa
2011	B	`conf`	Component-based search engine for blogs. FUZZ-IEEE Sachio Hirokawa, Chengjiu Yin, Tetsuya Nakatoh
2011	—	`conf`	Evaluation of Link System between Repository and Researcher Database. ICADL Kensuke Baba, Toshie Tanaka, Emi Ishita, Masao Mori, Eisuke Ito, Sachio Hirokawa
2011	—	`conf`	Finding Top-N Chance Patterns with KeyGraph $^{\tiny \textregistered}$ -Based Importance. KES (2) Yoshiaki Okubo, Makoto Haraguchi, Sachio Hirokawa
2011	C	`conf`	Search and Analysis of Bankruptcy Cause by Classification Network. MEDI Sachio Hirokawa, Takahiro Baba, Tetsuya Nakatoh
2011	—	`conf`	Text mining of bankruptcy information using formal concept analysis. iCAST Sachio Hirokawa, Takahiro Baba, Tetsuya Nakatoh
2011	—	`conf`	Visualization of tourism information using WordNet. iCAST Tetsuya Nakatoh, Chengjiu Yin, Hiroki Matsuura, Sachio Hirokawa
2010	—	`conf`	Formal Concept Analysis of Medical Incident Reports. KES (3) Takahiro Baba, Lucing Liu, Sachio Hirokawa
2009	—	`conf`	Time Series Analysis of R&D Team Using Patent Information. KES (2) Yurie Iino, Sachio Hirokawa
2008	Misc	`conf`	Dynamic Thesaurus Construction from English-Japanese Dictionary. CISIS Yoshihiro Shimoji, Taiki Wada, Sachio Hirokawa
2008	—	`conf`	Structural Analysis of R & D Division from Patent Documents. ICEBE Yurie Iino, Yasuhiro Yamada, Sachio Hirokawa
2007	—	`conf`	Links and Cycles of Web Databases. SWAP Masao Mori, Tetsuya Nakatoh, Sachio Hirokawa
2007	—	`conf`	Multiple Viewed Search Engine for an e-Journal - A Case Study on Zoological Science. HCI (4) Takahiro Seki, Taiki Wada, Yasuhiro Yamada, Nozomi Ytow, Sachio Hirokawa
2006	—	`conf`	Functional Composition of Web Databases. ICADL Masao Mori, Tetsuya Nakatoh, Sachio Hirokawa
2005	—	`conf`	An Approach to Analyzing Correlation between Songs/Artists Using iTMS Playlists. CIMCA/IAWTIC Yufeng Dou, Eisuke Itoh, Sachio Hirokawa, Daisuke Ikeda
2005	J	`jnl`	An Efficient Mapping for Computing the Score of String Matching. J. Autom. Lang. Comb. Tetsuya Nakatoh, Kensuke Baba, Daisuke Ikeda, Yasuhiro Yamada, Sachio Hirokawa
2004	—	`conf`	Testbed for information extraction from deep web. WWW (Alternate Track Papers & Posters) Yasuhiro Yamada, Nick Craswell, Tetsuya Nakatoh, Sachio Hirokawa
2003	Misc	`conf`	An Efficient Mapping for Score of String Matching. PSC Tetsuya Nakatoh, Kensuke Baba, Daisuke Ikeda, Yasuhiro Yamada, Sachio Hirokawa
2003	—	`conf`	Expressive Power of Tree and String Based Wrappers. IIWeb Daisuke Ikeda, Yasuhiro Yamada, Sachio Hirokawa
2003	B	`conf`	Extraction of Tag Tree Patterns with Contractible Variables from Irregular Semistructured Data. PAKDD Tetsuhiro Miyahara, Yusuke Suzuki, Takayoshi Shoudai, Tomoyuki Uchida, Sachio Hirokawa, Kenichi Takahashi, Hiroaki Ueda
2003	—	`conf`	Semi-Automatic Construction of Metadata from a Series of Web Documents. Australian Conference on Artificial Intelligence Sachio Hirokawa, Eisuke Itoh, Tetsuhiro Miyahara
2002	B	`conf`	Automatic Wrapper Generation for Multilingual Web Resources. Discovery Science Yasuhiro Yamada, Daisuke Ikeda, Sachio Hirokawa
2002	—	`conf`	Visualization and Analysis of Web Graphs. Progress in Discovery Science Sachio Hirokawa, Daisuke Ikeda
2001	B	`conf`	Eliminating Useless Parts in Semi-structured Documents Using Alternation Counts. Discovery Science Daisuke Ikeda, Yasuhiro Yamada, Sachio Hirokawa
2001	—	`conf`	Generation of Navigation Script from Log and Link. WebNet Kengo Nishino, Daisuke Nagano, Sachio Hirokawa
2001	—	`conf`	Parallel Reduction in Type Free lambda/mu-Calculus. CATS Kensuke Baba, Sachio Hirokawa, Ken-etsu Fujita
2001	B	`conf`	SCOOP: A Record Extractor without Knowledge on Input. Discovery Science Yasuhiro Yamada, Daisuke Ikeda, Sachio Hirokawa
2000	J	`jnl`	A Lambda Proof of The P-W Theorem. J. Symb. Log. Sachio Hirokawa, Yuichi Komori, Misao Nagayama
2000	B	`conf`	Extraction Positive and Negative Keywords for Web Communities. Discovery Science Daisuke Ikeda, Sachio Hirokawa
2000	—	`conf`	IntelligentBox: Its Aspects as a Rapid Construction System for Interactive 3D Games. GAME-ON Yoshihiro Okada, Eisuke Itoh, Sachio Hirokawa
2000	—	`conf`	Long Normal Form Proof Search and Counter-Model Generation. Workshop on Type-Theoretic Languages: Proof Search and Semantics Sachio Hirokawa, Daisuke Nagano
1999	B	`conf`	Developing a Knowledge Network of URLs. Discovery Science Daisuke Ikeda, Tsuyoshi Taguchi, Sachio Hirokawa
1999	—	`conf`	GUI for Geometric Inference Engine on Internet. WebNet Keiichi Mishima, Sachio Hirokawa, Naoyuki Kato
1998	J	`jnl`	Infiniteness of Proof(alpha) is Polynomial-Space Complete. Theor. Comput. Sci. Sachio Hirokawa
1998	B	`conf`	KN on ZK - Knowledge Network on Network Note Pad ZK. Discovery Science Sachio Hirokawa, Tsuyoshi Taguchi
1998	—	`conf`	Living with ZK-an approach towards communication with analogue messages. KES (1) Toshiro Minami, H. Sazuka, Sachio Hirokawa, Takeshi Ohtani
1996	J	`jnl`	A reduction rule for Peirce formula. Stud Logica Sachio Hirokawa, Yuichi Komori, Izumi Takeuti
1996	J	`jnl`	Normal Proofs and Their Grammar. Inf. Comput. Masako Takahashi, Yohji Akama, Sachio Hirokawa
1996	J	`jnl`	The proofs of alpha -> alpha in P-W. J. Symb. Log. Sachio Hirokawa
1994	—	`conf`	Normal Proofs and Their Grammar. TACS Masako Takahashi, Yohji Akama, Sachio Hirokawa
1993	J	`jnl`	Principal Types of BCK-lambda-Terms. Theor. Comput. Sci. Sachio Hirokawa
1993	J	`jnl`	The Number of Proofs for a BCK-Formula. J. Symb. Log. Yuichi Komori, Sachio Hirokawa
1993	J	`jnl`	The Relevance Graph of a BCK-Formula. J. Log. Comput. Sachio Hirokawa
1992	Misc	`conf`	Balanced Formulas, BCK-Minimal Formulas and Their Proofs. LFCS Sachio Hirokawa
1992	J	`jnl`	Converse Principal Type-Scheme Theorem in Lambda Calculus. Stud Logica Sachio Hirokawa
1991	—	`conf`	BCK-Formulas Having Unique Proofs. Category Theory and Computer Science Sachio Hirokawa
1991	—	`conf`	Principal Type-Schemes of BCI-Lambda-Terms. TACS Sachio Hirokawa
1991	J	`jnl`	Prinipal Type Assignment to Lambda Terms. Int. J. Found. Comput. Sci. Sachio Hirokawa
1988	J	`jnl`	One-Step Recurrent Terms in lambda-beta-Calculus. Theor. Comput. Sci. Shoji Sekimoto, Sachio Hirokawa
1985	J	`jnl`	Complexity of the Combinator Reduction Machine. Theor. Comput. Sci. Sachio Hirokawa