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Journal Articles
- 2018
[j27]Tetsuya Nakatoh, Sachio Hirokawa, Toshiro Minami, Takeshi Nanri, Miho Funamori:
Attribute-based quality classification of academic papers. Artif. Life Robotics 23(2): 235-240 (2018)- [j26]Brendan Flanagan
, Sachio Hirokawa:
An Automatic Method to Extract Online Foreign Language Learner Writing Error Characteristics. Int. J. Distance Educ. Technol. 16(4): 15-30 (2018) - 2017
- [j25]Xibin Wang, Fengji Luo, Chun-Yan Sang, Jun Zeng, Sachio Hirokawa:
Personalized Movie Recommendation System Based on Support Vector Machine and Improved Particle Swarm Optimization. IEICE Trans. Inf. Syst. 100-D(2): 285-293 (2017) - [j24]Jun Zeng, Feng Li, Brendan Flanagan, Sachio Hirokawa:
LTDE: A Layout Tree Based Approach for Deep Page Data Extraction. IEICE Trans. Inf. Syst. 100-D(5): 1067-1078 (2017) - 2016
- [j23]Jie Zou, Ling Xu, Mengning Yang, Xiaohong Zhang, Jun Zeng, Sachio Hirokawa:
Automated Duplicate Bug Report Detection Using Multi-Factor Analysis. IEICE Trans. Inf. Syst. 99-D(7): 1762-1775 (2016) - [j22]Wentao Li, Min Gao, Hua Li, Jun Zeng, Qingyu Xiong, Sachio Hirokawa:
Shilling Attack Detection in Recommender Systems via Selecting Patterns Analysis. IEICE Trans. Inf. Syst. 99-D(10): 2600-2611 (2016) - 2015
- [j21]Zhuo Jiang, Junhao Wen, Jun Zeng, Yihao Zhang, Xibin Wang, Sachio Hirokawa:
Dynamic Macro-Based Heuristic Planning through Action Relationship Analysis. IEICE Trans. Inf. Syst. 98-D(2): 363-371 (2015) - [j20]Shaymaa E. Sorour, Tsunenori Mine, Kazumasa Goda, Sachio Hirokawa:
A Predictive Model to Evaluate Student Performance. J. Inf. Process. 23(2): 192-201 (2015) - 2014
- [j19]Jun Zeng, Brendan Flanagan, Sachio Hirokawa, Eisuke Ito:
A Web Page Segmentation Approach Using Visual Semantics. IEICE Trans. Inf. Syst. 97-D(2): 223-230 (2014) - [j18]Brendan Flanagan, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa:
Classification of English language learner writing errors using a parallel corpus with SVM. Int. J. Knowl. Web Intell. 5(1): 21-35 (2014) - 2013
- [j17]Jun Zeng, Toshihiko Sakai, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa:
Automatic generation of tourism quiz using blogs. Artif. Life Robotics 17(3-4): 412-416 (2013) - [j16]Chengjiu Yin, Han-Yu Sung, Gwo-Jen Hwang, Sachio Hirokawa, Hui-Chun Chu, Brendan Flanagan, Yoshiyuki Tabata:
Learning by Searching: A Learning Environment that Provides Searching and Analysis Facilities for Supporting Trend Analysis Activities. J. Educ. Technol. Soc. 16(3): 286-300 (2013) - [j15]Chengjiu Yin, Sachio Hirokawa, Jane Yin-Kim Yau, Kiyota Hashimoto, Yoshiyuki Tabata, Tetsuya Nakatoh:
Research Trends with Cross Tabulation Search Engine. Int. J. Distance Educ. Technol. 11(1): 31-44 (2013) - [j14]Brendan Flanagan, Chengjiu Yin, Sachio Hirokawa, Kiyota Hashimoto, Yoshiyuki Tabata:
An Automated Method to Generate e-Learning Quizzes from Online Language Learner Writing. Int. J. Distance Educ. Technol. 11(4): 63-80 (2013) - 2005
- [j13]Tetsuya Nakatoh, Kensuke Baba, Daisuke Ikeda, Yasuhiro Yamada, Sachio Hirokawa:
An Efficient Mapping for Computing the Score of String Matching. J. Autom. Lang. Comb. 10(5/6): 697-704 (2005) - 2000
- [j12]Sachio Hirokawa, Yuichi Komori, Misao Nagayama:
A Lambda Proof of The P-W Theorem. J. Symb. Log. 65(4): 1841-1849 (2000) - 1998
- [j11]Sachio Hirokawa:
Infiniteness of Proof(alpha) is Polynomial-Space Complete. Theor. Comput. Sci. 206(1-2): 331-339 (1998) - 1996
- [j10]Masako Takahashi, Yohji Akama, Sachio Hirokawa:
Normal Proofs and Their Grammar. Inf. Comput. 125(2): 144-153 (1996) - [j9]Sachio Hirokawa:
The proofs of alpha -> alpha in P-W. J. Symb. Log. 61(1): 195-211 (1996) - [j8]Sachio Hirokawa, Yuichi Komori, Izumi Takeuti:
A reduction rule for Peirce formula. Stud Logica 56(3): 419-426 (1996) - 1993
- [j7]Yuichi Komori, Sachio Hirokawa:
The Number of Proofs for a BCK-Formula. J. Symb. Log. 58(2): 626-628 (1993) - [j6]Sachio Hirokawa:
The Relevance Graph of a BCK-Formula. J. Log. Comput. 3(3): 269-285 (1993) - [j5]Sachio Hirokawa:
Principal Types of BCK-lambda-Terms. Theor. Comput. Sci. 107(2): 253-276 (1993) - 1992
- [j4]Sachio Hirokawa:
Converse Principal Type-Scheme Theorem in Lambda Calculus. Stud Logica 51(1): 83-95 (1992) - 1991
- [j3]Sachio Hirokawa:
Prinipal Type Assignment to Lambda Terms. Int. J. Found. Comput. Sci. 2(2): 149-162 (1991) - 1988
- [j2]Shoji Sekimoto, Sachio Hirokawa:
One-Step Recurrent Terms in lambda-beta-Calculus. Theor. Comput. Sci. 56: 223-231 (1988) - 1985
- [j1]Sachio Hirokawa:
Complexity of the Combinator Reduction Machine. Theor. Comput. Sci. 41: 289-303 (1985)
Conference and Workshop Papers
- 2021
- [c131]Soichiro Aihara, Toru Sugihara, Kahori Ogashiwa, Kumiko Kanekawa, Masao Mori, Sachio Hirokawa:
A Preliminary Study on the Medium-term Plan of Public Universities Transferred from Private Universities. IIAI-AAI-Winter 2021: 230-239 - 2020
- [c130]Sachio Hirokawa, Takahiko Suzuki, Tetsuya Nakatoh:
Prediction of Category of Scientific Article by Graph Convolution. IIAI-AAI 2020: 63-67 - 2019
- [c129]Tetsuya Nakatoh, Sachio Hirokawa:
Evaluation Index to Find Relevant Papers: Improvement of Focused Citation Count. HCI (4) 2019: 555-566 - [c128]Tsunenori Mine, Sachio Hirokawa, Takahiko Suzuki:
Does Crime Activity Report Reveal Regional Characteristics? IMCOM 2019: 582-598 - [c127]Takuya Kawatani, Eisuke Itoh, Sachio Hirokawa, Tsunenori Mine:
Machine Learning and Visualization of Sudden Braking using Probe Data. IIAI-AAI 2019: 67-72 - [c126]Jun Zeng, Haoran Tang, Yingbo Wu, Ling Liu, Sachio Hirokawa:
Predict the Next Location From Trajectory Based on Spatiotemporal Sequence. IIAI-AAI 2019: 109-114 - [c125]Hidekazu Iwamoto, Tokuro Matsuo, Yasushi Sugiyama, Sachio Hirokawa:
Quantitive Analysis of Important Attributes to Attract International Conventions. IIAI-AAI 2019: 815-820 - [c124]Kahori Ogashiwa, Eiichi Takata, Tetsuya Oishi, Masao Mori, Sachio Hirokawa:
Text Mining and Logic Model for University Midterm Plans. IIAI-AAI 2019: 1013-1014 - [c123]Yusuke Tozaki, Takahiko Suzuki, Tsunenori Mine, Sachio Hirokawa:
Extracting Irregular Datasets in University Admission Statistics using Text Mining and Benford's Law. IIAI-AAI 2019: 1023-1024 - [c122]Yuki Okumura, Sachio Hirokawa, Kazuhiro Takeuchi:
Significance of Low-Frequent Words in Concept Describing Document. IIAI-AAI 2019: 1035-1036 - [c121]Takuya Kawatani, Eisuke Itoh, Sachio Hirokawa, Tsunenori Mine:
Location does not always determine sudden braking. ITSC 2019: 875-882 - [c120]Yoshiki Mashima, Sachio Hirokawa, Kazuhiro Takeuchi:
Ties Between Mined Structural Patterns in Program and Their Identifier Names. IUKM 2019: 335-346 - 2018
- [c119]Sachio Hirokawa:
Key attribute for predicting student academic performance. ICETC 2018: 308-313 - [c118]Jun Zeng, Xin He, Yingbo Wu, Sachio Hirokawa:
User Behavior Analysis of Location-Based Social Network. IIAI-AAI 2018: 21-25 - [c117]Takahiko Suzuki, Tssukasa Kamimasu, Tetsuya Nakatoh, Sachio Hirokawa:
Identification of Unnatural Subsets in Statistical Data. IIAI-AAI 2018: 74-80 - [c116]Masaru Taga, Toshihiro Onishi, Sachio Hirokawa:
Automated Evaluation of Students Comments Regarding Correct Concepts and Misconceptions of Convex Lenses. IIAI-AAI 2018: 273-277 - [c115]Kahori Ogashiwa, Toru Sugihara, Kumiko Kanekawa, Yuki Kitanaka, Kazuhisa Noguchi, Soichiro Aihara, Masao Mori, Sachio Hirokawa:
Quality Assurance in Education through the Diploma Policy and President's Message - An Analysis Focused on Local Community. IIAI-AAI 2018: 964-965 - [c114]Yao Lin, Kohei Yamaguchi, Tsunenori Mine, Sachio Hirokawa:
Is SVM+FS Better to Satisfy Decision by Majority? SCDM 2018: 261-271 - 2017
- [c113]Tetsuya Nakatoh, Kenta Nagatani, Toshiro Minami, Sachio Hirokawa, Takeshi Nanri, Miho Funamori:
Analysis of the Quality of Academic Papers by the Words in Abstracts. HCI (4) 2017: 434-443 - [c112]Yusuke Adachi, Naoya Onimura, Takanori Yamashita, Sachio Hirokawa:
Classification of Imbalanced Documents by Feature Selection. ICCDA 2017: 228-232 - [c111]Yuki Kitanaka, Kazuhiro Takeuchi, Sachio Hirokawa:
Predicting Learning Result of Learner in E-learning Course with Feature Selection Using SVM. ICETC 2017: 122-125 - [c110]Yudai Tanabe, Koki Kagari, Yuki Kitanaka, Kazuhiro Takeuchi, Sachio Hirokawa:
Finding Key Integer Values in Many Features for Learners' Academic Performance Prediction. ICETC 2017: 167-171 - [c109]Toru Sugihara, Soichiro Aihara, Sachio Hirokawa, Takashi Nara:
An Analysis of Characteristics of Student-Athletes from Questionnaire by SVM. IIAI-AAI 2017: 163-166 - [c108]Kumiko Kanekawa, Tetsuya Nakatoh, Takahiko Suzuki, Sachio Hirokawa:
Who is the Last Author of Your Paper? IIAI-AAI 2017: 221-224 - [c107]Jun Zeng, Yinghua Li, Feng Li, Junhao Wen, Sachio Hirokawa:
A Point-of-Interest Recommendation Method Using Location Similarity. IIAI-AAI 2017: 436-440 - [c106]Brendan Flanagan, Sachio Hirokawa, Emiko Kaneko, Emi Izumi, Hiroaki Ogata:
A Multi-model SVR Approach to Estimating the CEFR Proficiency Level of Grammar Item Features. IIAI-AAI 2017: 521-526 - [c105]Tetsuya Nakatoh, Kenta Nagatani, Kumiko Kanekawa, Takahiro Suzuki, Sachio Hirokawa:
Cluster analysis of scientific citation context. iiWAS 2017: 111-115 - [c104]Takanori Yamashita, Naoya Onimura, Hidehisa Soejima, Naoki Nakashima, Sachio Hirokawa:
Graph Clustering System for Text-Based Records in a Clinical Pathway. MedInfo 2017: 649-652 - [c103]Sachio Hirokawa, Takahiko Suzuki, Tsunenori Mine:
Machine learning is better than human to satisfy decision by majority. WI 2017: 694-701 - 2016
- [c102]Takanori Yamashita, Yoshifumi Wakata, Hidehisa Soejima, Naoki Nakashima, Sachio Hirokawa:
Prediction of Key Patient Outcome from Sentence and Word of Medical Text Records. ClinicalNLP@COLING 2016 2016: 86-90 - [c101]Brendan Flanagan, Sachio Hirokawa:
Support Vector Mind Map of Wine Speak. HCI (4) 2016: 127-135 - [c100]Tetsuya Nakatoh, Hayato Nakanishi, Toshiro Minami, Kensuke Baba, Sachio Hirokawa:
A Visual Citation Search Engine. HCI (4) 2016: 168-178 - [c99]Brendan Flanagan, Sachio Hirokawa, Emiko Kaneko, Emi Izumi:
Classification of Speaking Proficiency Level by Machine Learning and Feature Selection. SETE@ICWL 2016: 677-682 - [c98]Jun Zeng, Feng Li, Haiyang Liu, Junhao Wen, Sachio Hirokawa:
A Restaurant Recommender System Based on User Preference and Location in Mobile Environment. IIAI-AAI 2016: 55-60 - [c97]Kiyota Hashimoto, Tasanawan Soonklang, Sachio Hirokawa:
Feature Words of Moves in Scientific Abstracts. IIAI-AAI 2016: 144-149 - [c96]Tetsuya Nakatoh, Hayato Nakanishi, Toshiro Minami, Kensuke Baba, Sachio Hirokawa:
Bibliometric Search with Focused Citation Ratios. IIAI-AAI 2016: 150-153 - [c95]Brendan Flanagan, Sachio Hirokawa:
Automatic Extraction and Prediction of Word Order Errors from Language Learning SNS. IIAI-AAI 2016: 292-295 - [c94]Yusuke Adachi, Naoya Onimura, Takanori Yamashita, Sachio Hirokawa:
Standard measure and SVM measure for feature selection and their performance effect for text classification. iiWAS 2016: 262-266 - [c93]Takahiko Suzuki, Koki Miyata, Sachio Hirokawa:
Difficulty of words and their ambiguity estimated from the result of word sense disambiguation. KICSS 2016: 1-5 - [c92]Fumiya Okubo, Sachio Hirokawa, Misato Oi, Chengjiu Yin, Atsushi Shimada, Kentaro Kojima, Masanori Yamada, Hiroaki Ogata:
Learning Activity Features of High Performance Students. CrossLAK 2016: 28-33 - 2015
- [c91]Brendan Flanagan, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa:
Prediction of Learner Native Language by Writing Error Pattern. HCI (24) 2015: 87-96 - [c90]Brendan Flanagan, Nao Wariishi, Takahiko Suzuki, Sachio Hirokawa:
Predicting and Visualizing Wine Characteristics Through Analysis of Tasting Notes from Viewpoints. HCI (27) 2015: 613-619 - [c89]Yasuhiro Yamada, Daisuke Ikeda, Sachio Hirokawa:
Unique Links as Weak Ties. IIAI-AAI 2015: 132-136 - [c88]Takuya Hirao, Nao Wariishi, Takahiko Suzuki, Sachio Hirokawa:
Vector Similarity of Related Words in the Japanese Word Net. IIAI-AAI 2015: 142-147 - [c87]Tetsuya Nakatoh, Hayato Nakanishi, Kensuke Baba, Sachio Hirokawa:
Focused Citation Count: A Combined Measure of Relevancy and Quality. IIAI-AAI 2015: 166-170 - [c86]Nao Wariishi, Brendan Flanagan, Takahiko Suzuki, Sachio Hirokawa:
Sentiment Analysis of Wine Aroma. IIAI-AAI 2015: 207-212 - [c85]Brendan Flanagan, Sachio Hirokawa:
Correlation between an Entropy Based Measure and English Language Learner Proficiency. IIAI-AAI 2015: 349-353 - [c84]Takanori Yamashita, Brendan Flanagan, Yoshifumi Wakata, Satoshi Hamai, Yasuharu Nakashima, Yukihide Iwamoto, Naoki Nakashima, Sachio Hirokawa:
Visualization of Key Factor Relation in Clinical Pathway. KES 2015: 342-351 - [c83]Tetsuya Nakatoh, Hayato Nakanishi, Sachio Hirokawa:
Journal Impact Factor Revised with Focused View. KES-IDT 2015: 471-481 - [c82]Takanori Yamashita, Yoshifumi Wakata, Satoshi Hamai, Yasuharu Nakashima, Yukihide Iwamoto, Brendan Flanagan, Naoki Nakashima, Sachio Hirokawa:
Temporal Relation Extraction in Outcome Variances of Clinical Pathways. MedInfo 2015: 1077 - 2014
- [c81]Xiao Lin, Eisuke Ito, Sachio Hirokawa:
Chinese tag analysis for foreign movie contents. ICIS 2014: 163-166 - [c80]Shaymaa E. Sorour, Tsunenori Mine, Kazumasa Goda, Sachio Hirokawa:
Efficiency of LSA and K-means in Predicting Students' Academic Performance Based on Their Comments Data. CSEDU (1) 2014: 63-74 - [c79]Shaymaa E. Sorour, Tsunenori Mine, Kazumasa Goda, Sachio Hirokawa:
Predicting students' grades based on free style comments data by artificial neural network. FIE 2014: 1-9 - [c78]Sachio Hirokawa, Brendan Flanagan, Takahiko Suzuki, Chengjiu Yin:
Learning Winespeak from Mind Map of Wine Blogs. HCI (13) 2014: 383-393 - [c77]Shaymaa E. Sorour, Tsunenori Mine, Kazumasa Goda, Sachio Hirokawa:
Prediction of Students' Grades Based on Free-Style Comments Data. ICWL 2014: 142-151 - [c76]Takanori Yamashita, Yoshifumi Wakata, Satoshi Hamai, Yasuharu Nakashima, Yukihide Iwamoto, Brendan Flanagan, Naoki Nakashima, Sachio Hirokawa:
Construction of Dominant Factor Presumption Model for Postoperative Hospital Days from Operation Records. IIAI-AAI 2014: 19-24 - [c75]Shaymaa E. Sorour, Tsunenori Mine, Kazumasa Goda, Sachio Hirokawa:
Comments Data Mining for Evaluating Student's Performance. IIAI-AAI 2014: 25-30 - [c74]Takuya Hirao, Takahiko Suzuki, Koki Miyata, Sachio Hirokawa:
Detection of Misplacement of Synonyms in the Japanese WordNet. IIAI-AAI 2014: 31-36 - [c73]Jun Zeng, Min Gao, Junhao Wen, Sachio Hirokawa:
A Hybrid Trust Degree Model in Social Network for Recommender System. IIAI-AAI 2014: 37-41 - [c72]Brendan Flanagan, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa:
Classification and Clustering English Writing Errors Based on Native Language. IIAI-AAI 2014: 318-323 - [c71]Yuichi Ono, Manabu Ishihara, Sachio Hirokawa, Mitsuo Yamashiro:
Implementation and Evaluation of Real Time Qualitative Feedback Systems in a Foreign Language Presentation Course. IIAI-AAI 2014: 372-376 - [c70]Sachio Hirokawa, Tetsuya Nakatoh, Hiroto Nakae, Takahiro Suzuki:
Discovery of Implicit Feature Words of Place Name. IIAI-AAI 2014: 561-566 - [c69]Sachio Hirokawa, Emi Ishita:
Non-Topical Classification of Healthcare Information on the Web. IDT/IIMSS/STET 2014: 237-247 - [c68]Yuichi Ono, Sachio Hirokawa, Manabu Ishihara, Mitsuo Yamashiro:
Real time text-based feedback systems from frequency-based feedback to mindmap feedback in foreign language teaching. SMC 2014: 2150-2153 - 2013
- [c67]Jun Zeng, Brendan Flanagan, Sachio Hirokawa:
Layout-tree-based approach for identifying visually similar blocks in a web page. ICIS 2013: 65-70 - [c66]Makoto Okada, Sachio Hirokawa, Kiyota Hashimoto:
A investigation of opinions and demands of new farming applicants of Japan using concept graph in the questionnaire survey. ICIS 2013: 101-104 - [c65]Kazumasa Goda, Sachio Hirokawa, Tsunenori Mine:
Automated Evaluation of Student Comments on Their Learning Behavior. ICWL 2013: 131-140 - [c64]Jun Zeng, Brendan Flanagan, Qingyu Xiong, Junhao Wen, Sachio Hirokawa:
Proposal of Seam Degree and Content Similarity for Web Page Segmentation. IIAI-AAI 2013: 9-14 - [c63]Eisuke Ito, Takahiro Urakawa, Brendan Flanagan, Sachio Hirokawa:
Keywords Frequency Trend Analysis of Online Novels. IIAI-AAI 2013: 68-73 - [c62]Tetsuya Nakatoh, Hirofumi Amano, Sachio Hirokawa:
Prediction of Growth Rate of Operating Income Using Securities Reports. IIAI-AAI 2013: 84-88 - [c61]Tetsuya Nakatoh, Sachio Hirokawa:
Evaluation of Tourism Resources Extraction Based on Japanese Dependency Analysis. IIAI-AAI 2013: 100-103 - [c60]Chengjiu Yin, Brendan Flanagan, Sachio Hirokawa, Yoshiyuki Tabata:
Build a Search Engine to Support Doing Research Surveys on SNS. IIAI-AAI 2013: 183-186 - [c59]Yasuhiro Yamada, Terutaka Tansho, Sachio Hirokawa:
Proposal of a Matching System for Companies and Researchers Using Patents and Scientific Papers. IIAI-AAI 2013: 397-398 - [c58]Brendan Flanagan, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa:
Intelligent Computer Classification of English Writing Errors. IIMSS 2013: 174-183 - [c57]Makoto Okada, Sachio Hirokawa, Kiyota Hashimoto:
Analysis of Opinions from Questionnaire Surveys of Farming Candidates using Cross Tabulation System. IIMSS 2013: 184-194 - [c56]Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, Kiyota Hashimoto, Sachio Hirokawa:
Shifting Concepts to Their Associative Concepts via Bridges. MLDM 2013: 586-600 - [c55]Kazumasa Goda, Sachio Hirokawa, Tsunenori Mine:
Correlation of grade prediction performance and validity of self-evaluation comments. SIGITE Conference 2013: 35-42 - 2012
- [c54]Toshihiko Sakai, Jun Zeng, Brendan Flanagan, Tetsuya Nakatoh, Sachio Hirokawa:
Descriminant Words for Problems in Scientific Articles. ACIS-ICIS 2012: 267-271 - [c53]Sachio Hirokawa:
Feature Extraction Using Restricted Bootstrapping. ACIS-ICIS 2012: 283-288 - [c52]Jun Zeng, Brendan Flanagan, Toshihiko Sakai, Sachio Hirokawa:
Extraction of relevant components using shallow structure of HTML documents. FSKD 2012: 1186-1190 - [c51]Eisuke Ito, Sachio Hirokawa, Kazunori Shimizu:
Introducing faceted views in diversity of online novels. ICDIM 2012 - [c50]Chengjiu Yin, Yoshiyuki Tabata, Sachio Hirokawa:
A "Milky Way Research Trend" System for Survey of Scientific Literature. ICWL Workshops 2012: 90-99 - [c49]Tetsuya Nakatoh, Sachio Hirokawa:
Extraction of Tourist Behavior Contexts from Blog by Verbs and Their Objects. IIAI-AAI 2012: 112-116 - [c48]Hiroaki Ninomiya, Eisuke Ito, Brendan Flanagan, Sachio Hirokawa:
Near Friends Communication Encouragement System Using NFC and SNS. IIAI-AAI 2012: 145-148 - [c47]Chengjiu Yin, Sachio Hirokawa, Brendan Flanagan, Takahiko Suzuki, Yoshiyuki Tabata:
Mistake Discovery and Generation of Exercises Automaticity in Context. IIAI-AAI 2012: 163-167 - [c46]Jun Zeng, Qingyu Xiong, Junhao Wen, Sachio Hirokawa:
Extraction of Relevant Snippets from Web Pages Using Hybrid Features. IIAI-AAI 2012: 209-213 - [c45]Toshihiko Sakai, Brendan Flanagan, Jun Zeng, Tetsuya Nakatoh, Sachio Hirokawa:
Search Engine Focused on Multiple Features of Scientific Articles. IIAI-AAI 2012: 214-217 - [c44]Toshihiko Sakai, Sachio Hirokawa:
Feature words that classify problem sentence in scientific article. iiWAS 2012: 360-367 - [c43]Sachio Hirokawa, Makoto Okada, Kiyota Hashimoto:
Extraction of Hints and Advice from Hotel Reviews for Improving Small Hotel Management. CEC 2012: 166-170 - [c42]Jun Zeng, Toshihiko Sakai, Brendan Flanagan, Sachio Hirokawa:
Extraction of Feature Words with the Same Generality Level as Query using Restricted Bootstrapping. CEC 2012: 171-176 - [c41]Brendan Flanagan, Chengjiu Yin, Sachio Hirokawa, Han-Yu Sung, Gwo-Jen Hwang:
Analysing Research Trends of Mobile Learning with the Milky Way. WMUTE 2012: 249-253 - 2011
- [c40]Masao Mori, Toshie Tanaka, Sachio Hirokawa:
A Progressive Data Warehouse of Institutional Research with Web API and Mashup Visualization. CSEDU (2) 2011: 323-329 - [c39]Sachio Hirokawa, Chengjiu Yin, Tetsuya Nakatoh:
Component-based search engine for blogs. FUZZ-IEEE 2011: 1074-1078 - [c38]Kensuke Baba, Toshie Tanaka, Emi Ishita, Masao Mori, Eisuke Ito, Sachio Hirokawa:
Evaluation of Link System between Repository and Researcher Database. ICADL 2011: 381-382 - [c37]Chengjiu Yin, Eisuke Ito, Tetsuya Nakatoh, Sachio Hirokawa:
Classification Network of tourism information A smart phone-based system for supporting "Petit Trips". iCAST 2011: 170-173 - [c36]Jun Zeng, Sachio Hirokawa:
Component search engine using tree-view interface for tourist blogs. iCAST 2011: 331-335 - [c35]Tetsuya Nakatoh, Chengjiu Yin, Hiroki Matsuura, Sachio Hirokawa:
Visualization of tourism information using WordNet. iCAST 2011: 412-417 - [c34]Sachio Hirokawa, Takahiro Baba, Tetsuya Nakatoh:
Text mining of bankruptcy information using formal concept analysis. iCAST 2011: 527-532 - [c33]Chengjiu Yin, Yoshiyuki Tabata, Xiaobin Wu, Tetsuya Nakatoh, Sachio Hirokawa:
Building a Search Engine for Scientific Projects Survey. iThings/CPSCom 2011: 558-563 - [c32]Yoshiaki Okubo, Makoto Haraguchi, Sachio Hirokawa:
Finding Top-N Chance Patterns with KeyGraph $^{\tiny \textregistered}$ -Based Importance. KES (2) 2011: 457-468 - [c31]Sachio Hirokawa, Takahiro Baba, Tetsuya Nakatoh:
Search and Analysis of Bankruptcy Cause by Classification Network. MEDI 2011: 152-161 - 2010
- [c30]Takahiro Baba, Lucing Liu, Sachio Hirokawa:
Formal Concept Analysis of Medical Incident Reports. KES (3) 2010: 207-214 - 2009
- [c29]Yurie Iino, Sachio Hirokawa:
Time Series Analysis of R&D Team Using Patent Information. KES (2) 2009: 464-471 - 2008
- [c28]Yoshihiro Shimoji, Taiki Wada, Sachio Hirokawa:
Dynamic Thesaurus Construction from English-Japanese Dictionary. CISIS 2008: 918-923 - [c27]Yurie Iino, Yasuhiro Yamada, Sachio Hirokawa:
Structural Analysis of R & D Division from Patent Documents. ICEBE 2008: 423-428 - 2007
- [c26]Takahiro Seki, Taiki Wada, Yasuhiro Yamada, Nozomi Ytow, Sachio Hirokawa:
Multiple Viewed Search Engine for an e-Journal - A Case Study on Zoological Science. HCI (4) 2007: 989-998 - [c25]Masao Mori, Tetsuya Nakatoh, Sachio Hirokawa:
Links and Cycles of Web Databases. SWAP 2007 - 2006
- [c24]Masao Mori, Tetsuya Nakatoh, Sachio Hirokawa:
Functional Composition of Web Databases. ICADL 2006: 439-448 - 2005
- [c23]Yufeng Dou, Eisuke Itoh, Sachio Hirokawa, Daisuke Ikeda:
An Approach to Analyzing Correlation between Songs/Artists Using iTMS Playlists. CIMCA/IAWTIC 2005: 951-956 - 2004
- [c22]Yasuhiro Yamada, Nick Craswell, Tetsuya Nakatoh, Sachio Hirokawa:
Testbed for information extraction from deep web. WWW (Alternate Track Papers & Posters) 2004: 346-347 - 2003
- [c21]Sachio Hirokawa, Eisuke Itoh, Tetsuhiro Miyahara:
Semi-Automatic Construction of Metadata from a Series of Web Documents. Australian Conference on Artificial Intelligence 2003: 942-953 - [c20]Daisuke Ikeda, Yasuhiro Yamada, Sachio Hirokawa:
Expressive Power of Tree and String Based Wrappers. IIWeb 2003: 21-26 - [c19]Tetsuhiro Miyahara, Yusuke Suzuki, Takayoshi Shoudai, Tomoyuki Uchida, Sachio Hirokawa, Kenichi Takahashi, Hiroaki Ueda:
Extraction of Tag Tree Patterns with Contractible Variables from Irregular Semistructured Data. PAKDD 2003: 430-436 - [c18]Tetsuya Nakatoh, Kensuke Baba, Daisuke Ikeda, Yasuhiro Yamada, Sachio Hirokawa:
An Efficient Mapping for Score of String Matching. Stringology 2003: 127-136 - 2002
- [c17]Yasuhiro Yamada, Daisuke Ikeda, Sachio Hirokawa:
Automatic Wrapper Generation for Multilingual Web Resources. Discovery Science 2002: 332-339 - [c16]Sachio Hirokawa, Daisuke Ikeda:
Visualization and Analysis of Web Graphs. Progress in Discovery Science 2002: 616-627 - 2001
- [c15]Daisuke Ikeda, Yasuhiro Yamada, Sachio Hirokawa:
Eliminating Useless Parts in Semi-structured Documents Using Alternation Counts. Discovery Science 2001: 113-127 - [c14]Yasuhiro Yamada, Daisuke Ikeda, Sachio Hirokawa:
SCOOP: A Record Extractor without Knowledge on Input. Discovery Science 2001: 482-487 - [c13]Kengo Nishino, Daisuke Nagano, Sachio Hirokawa:
Generation of Navigation Script from Log and Link. WebNet 2001: 534-539 - [c12]Kensuke Baba, Sachio Hirokawa, Ken-etsu Fujita:
Parallel Reduction in Type Free lambda/mu-Calculus. CATS 2001: 52-66 - 2000
- [c11]Daisuke Ikeda, Sachio Hirokawa:
Extraction Positive and Negative Keywords for Web Communities. Discovery Science 2000: 299-303 - [c10]Yoshihiro Okada, Eisuke Itoh, Sachio Hirokawa:
IntelligentBox: Its Aspects as a Rapid Construction System for Interactive 3D Games. GAME-ON 2000: 22- - [c9]Sachio Hirokawa, Daisuke Nagano:
Long Normal Form Proof Search and Counter-Model Generation. Workshop on Type-Theoretic Languages: Proof Search and Semantics 2000: 1-11 - 1999
- [c8]Daisuke Ikeda, Tsuyoshi Taguchi, Sachio Hirokawa:
Developing a Knowledge Network of URLs. Discovery Science 1999: 328-329 - [c7]Keiichi Mishima, Sachio Hirokawa, Naoyuki Kato:
GUI for Geometric Inference Engine on Internet. WebNet 1999: 1360-1361 - 1998
- [c6]Sachio Hirokawa, Tsuyoshi Taguchi:
KN on ZK - Knowledge Network on Network Note Pad ZK. Discovery Science 1998: 411-412 - [c5]Toshiro Minami, H. Sazuka, Sachio Hirokawa, Takeshi Ohtani:
Living with ZK-an approach towards communication with analogue messages. KES (1) 1998: 369-374 - 1994
- [c4]Masako Takahashi, Yohji Akama, Sachio Hirokawa:
Normal Proofs and Their Grammar. TACS 1994: 465-493 - 1992
- [c3]Sachio Hirokawa:
Balanced Formulas, BCK-Minimal Formulas and Their Proofs. LFCS 1992: 198-208 - 1991
- [c2]Sachio Hirokawa:
BCK-Formulas Having Unique Proofs. Category Theory and Computer Science 1991: 106-120 - [c1]Sachio Hirokawa:
Principal Type-Schemes of BCI-Lambda-Terms. TACS 1991: 633-650
Parts in Books or Collections
- 2015
- [p2]Sachio Hirokawa, Tetsuya Nakatoh, Hiroto Nakae, Takahiro Suzuki:
Discovery of Implicit Feature Words of Place Name. Tourism Informatics 2015: 31-42 - [p1]Tetsuya Nakatoh, Sachio Hirokawa:
Extraction of Tourism Objects from Blogs. Tourism Informatics 2015: 43-58
Editorship
- 2020
- [e1]Tokuro Matsuo, Kunihiko Takamatsu, Yuichi Ono, Sachio Hirokawa:
9th International Congress on Advanced Applied Informatics, IIAI-AAI 2020, Kitakyushu, Japan, September 1-15, 2020. IEEE 2020, ISBN 978-1-7281-7397-9 [contents]
Informal and Other Publications
- 2015
- [i1]Sachio Hirokawa, Eisuke Ito:
Power Law and Entropy. CoRR abs/1504.06543 (2015)
Coauthor Index
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