Sachio Hirokawa

ORCID

Publication Activity (10 Years)

Years Active: 1985-2021
Publications (10 Years): 46

Top Venues

IIAI-AAI

IEICE Trans. Inf. Syst.

HCI (4)

ICETC

Publications

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)
Sachio Hirokawa, Takahiko Suzuki, Tetsuya Nakatoh
Prediction of Category of Scientific Article by Graph Convolution. IIAI-AAI (2020)
Kahori Ogashiwa, Eiichi Takata, Tetsuya Oishi, Masao Mori, Sachio Hirokawa
Text Mining and Logic Model for University Midterm Plans. IIAI-AAI (2019)
Jun Zeng, Haoran Tang, Yingbo Wu, Ling Liu, Sachio Hirokawa
Predict the Next Location From Trajectory Based on Spatiotemporal Sequence. IIAI-AAI (2019)
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)
Tsunenori Mine, Sachio Hirokawa, Takahiko Suzuki
Does Crime Activity Report Reveal Regional Characteristics? IMCOM (2019)
Yuki Okumura, Sachio Hirokawa, Kazuhiro Takeuchi
Significance of Low-Frequent Words in Concept Describing Document. IIAI-AAI (2019)
Hidekazu Iwamoto, Tokuro Matsuo, Yasushi Sugiyama, Sachio Hirokawa
Quantitive Analysis of Important Attributes to Attract International Conventions. IIAI-AAI (2019)
Takuya Kawatani, Eisuke Itoh, Sachio Hirokawa, Tsunenori Mine
Location does not always determine sudden braking. ITSC (2019)
Yoshiki Mashima, Sachio Hirokawa, Kazuhiro Takeuchi
Ties Between Mined Structural Patterns in Program and Their Identifier Names. IUKM (2019)
Tetsuya Nakatoh, Sachio Hirokawa
Evaluation Index to Find Relevant Papers: Improvement of Focused Citation Count. HCI (4) (2019)
Takuya Kawatani, Eisuke Itoh, Sachio Hirokawa, Tsunenori Mine
Machine Learning and Visualization of Sudden Braking using Probe Data. IIAI-AAI (2019)
Brendan Flanagan, Sachio Hirokawa
An Automatic Method to Extract Online Foreign Language Learner Writing Error Characteristics. Int. J. Distance Educ. Technol. 16 (4) (2018)
Sachio Hirokawa
Key attribute for predicting student academic performance. ICETC (2018)
Tetsuya Nakatoh, Sachio Hirokawa, Toshiro Minami, Takeshi Nanri, Miho Funamori
Attribute-based quality classification of academic papers. Artif. Life Robotics 23 (2) (2018)
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)
Takahiko Suzuki, Tssukasa Kamimasu, Tetsuya Nakatoh, Sachio Hirokawa
Identification of Unnatural Subsets in Statistical Data. IIAI-AAI (2018)
Yao Lin, Kohei Yamaguchi, Tsunenori Mine, Sachio Hirokawa
Is SVM+FS Better to Satisfy Decision by Majority? SCDM (2018)
Masaru Taga, Toshihiro Onishi, Sachio Hirokawa
Automated Evaluation of Students Comments Regarding Correct Concepts and Misconceptions of Convex Lenses. IIAI-AAI (2018)
Jun Zeng, Xin He, Yingbo Wu, Sachio Hirokawa
User Behavior Analysis of Location-Based Social Network. IIAI-AAI (2018)
Yusuke Adachi, Naoya Onimura, Takanori Yamashita, Sachio Hirokawa
Classification of Imbalanced Documents by Feature Selection. ICCDA (2017)
Toru Sugihara, Soichiro Aihara, Sachio Hirokawa, Takashi Nara
An Analysis of Characteristics of Student-Athletes from Questionnaire by SVM. IIAI-AAI (2017)
Tetsuya Nakatoh, Kenta Nagatani, Kumiko Kanekawa, Takahiro Suzuki, Sachio Hirokawa
Cluster analysis of scientific citation context. iiWAS (2017)
Takanori Yamashita, Naoya Onimura, Hidehisa Soejima, Naoki Nakashima, Sachio Hirokawa
Graph Clustering System for Text-Based Records in a Clinical Pathway. MedInfo (2017)
Jun Zeng, Yinghua Li, Feng Li, Junhao Wen, Sachio Hirokawa
A Point-of-Interest Recommendation Method Using Location Similarity. IIAI-AAI (2017)
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. (2) (2017)
Yuki Kitanaka, Kazuhiro Takeuchi, Sachio Hirokawa
Predicting Learning Result of Learner in E-learning Course with Feature Selection Using SVM. ICETC (2017)
Yudai Tanabe, Koki Kagari, Yuki Kitanaka, Kazuhiro Takeuchi, Sachio Hirokawa
Finding Key Integer Values in Many Features for Learners' Academic Performance Prediction. ICETC (2017)
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)
Sachio Hirokawa, Takahiko Suzuki, Tsunenori Mine
Machine learning is better than human to satisfy decision by majority. WI (2017)
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)
Kumiko Kanekawa, Tetsuya Nakatoh, Takahiko Suzuki, Sachio Hirokawa
Who is the Last Author of Your Paper? IIAI-AAI (2017)
Jun Zeng, Feng Li, Brendan Flanagan, Sachio Hirokawa
LTDE: A Layout Tree Based Approach for Deep Page Data Extraction. IEICE Trans. Inf. Syst. (5) (2017)
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)
Brendan Flanagan, Sachio Hirokawa
Automatic Extraction and Prediction of Word Order Errors from Language Learning SNS. IIAI-AAI (2016)
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)
Kiyota Hashimoto, Tasanawan Soonklang, Sachio Hirokawa
Feature Words of Moves in Scientific Abstracts. IIAI-AAI (2016)
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)
Tetsuya Nakatoh, Hayato Nakanishi, Toshiro Minami, Kensuke Baba, Sachio Hirokawa
A Visual Citation Search Engine. HCI (4) (2016)
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. (7) (2016)
Brendan Flanagan, Sachio Hirokawa
Support Vector Mind Map of Wine Speak. HCI (4) (2016)
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. (10) (2016)
Brendan Flanagan, Sachio Hirokawa, Emiko Kaneko, Emi Izumi
Classification of Speaking Proficiency Level by Machine Learning and Feature Selection. SETE@ICWL (2016)
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)
Tetsuya Nakatoh, Hayato Nakanishi, Toshiro Minami, Kensuke Baba, Sachio Hirokawa
Bibliometric Search with Focused Citation Ratios. IIAI-AAI (2016)
Takahiko Suzuki, Koki Miyata, Sachio Hirokawa
Difficulty of words and their ambiguity estimated from the result of word sense disambiguation. KICSS (2016)
Brendan Flanagan, Sachio Hirokawa
Correlation between an Entropy Based Measure and English Language Learner Proficiency. IIAI-AAI (2015)
Shaymaa E. Sorour, Tsunenori Mine, Kazumasa Goda, Sachio Hirokawa
A Predictive Model to Evaluate Student Performance. J. Inf. Process. 23 (2) (2015)
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)
Tetsuya Nakatoh, Hayato Nakanishi, Sachio Hirokawa
Journal Impact Factor Revised with Focused View. KES-IDT (2015)
Yasuhiro Yamada, Daisuke Ikeda, Sachio Hirokawa
Unique Links as Weak Ties. IIAI-AAI (2015)
Brendan Flanagan, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa
Prediction of Learner Native Language by Writing Error Pattern. HCI (24) (2015)
Brendan Flanagan, Nao Wariishi, Takahiko Suzuki, Sachio Hirokawa
Predicting and Visualizing Wine Characteristics Through Analysis of Tasting Notes from Viewpoints. HCI (27) (2015)
Nao Wariishi, Brendan Flanagan, Takahiko Suzuki, Sachio Hirokawa
Sentiment Analysis of Wine Aroma. IIAI-AAI (2015)
Sachio Hirokawa, Eisuke Ito
Power Law and Entropy. CoRR (2015)
Tetsuya Nakatoh, Hayato Nakanishi, Kensuke Baba, Sachio Hirokawa
Focused Citation Count: A Combined Measure of Relevancy and Quality. IIAI-AAI (2015)
Takuya Hirao, Nao Wariishi, Takahiko Suzuki, Sachio Hirokawa
Vector Similarity of Related Words in the Japanese Word Net. IIAI-AAI (2015)
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)
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. (2) (2015)
Shaymaa E. Sorour, Tsunenori Mine, Kazumasa Goda, Sachio Hirokawa
Prediction of Students' Grades Based on Free-Style Comments Data. ICWL (2014)
Brendan Flanagan, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa
Classification and Clustering English Writing Errors Based on Native Language. IIAI-AAI (2014)
Takuya Hirao, Takahiko Suzuki, Koki Miyata, Sachio Hirokawa
Detection of Misplacement of Synonyms in the Japanese WordNet. IIAI-AAI (2014)
Jun Zeng, Min Gao, Junhao Wen, Sachio Hirokawa
A Hybrid Trust Degree Model in Social Network for Recommender System. IIAI-AAI (2014)
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)
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)
Jun Zeng, Brendan Flanagan, Sachio Hirokawa, Eisuke Ito
A Web Page Segmentation Approach Using Visual Semantics. IEICE Trans. Inf. Syst. (2) (2014)
Shaymaa E. Sorour, Tsunenori Mine, Kazumasa Goda, Sachio Hirokawa
Comments Data Mining for Evaluating Student's Performance. IIAI-AAI (2014)
Sachio Hirokawa, Brendan Flanagan, Takahiko Suzuki, Chengjiu Yin
Learning Winespeak from Mind Map of Wine Blogs. HCI (13) (2014)
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) (2014)
Shaymaa E. Sorour, Tsunenori Mine, Kazumasa Goda, Sachio Hirokawa
Predicting students' grades based on free style comments data by artificial neural network. FIE (2014)
Xiao Lin, Eisuke Ito, Sachio Hirokawa
Chinese tag analysis for foreign movie contents. ICIS (2014)
Sachio Hirokawa, Tetsuya Nakatoh, Hiroto Nakae, Takahiro Suzuki
Discovery of Implicit Feature Words of Place Name. IIAI-AAI (2014)
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)
Sachio Hirokawa, Emi Ishita
Non-Topical Classification of Healthcare Information on the Web. IDT/IIMSS/STET (2014)
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)
Jun Zeng, Brendan Flanagan, Qingyu Xiong, Junhao Wen, Sachio Hirokawa
Proposal of Seam Degree and Content Similarity for Web Page Segmentation. IIAI-AAI (2013)
Brendan Flanagan, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa
Intelligent Computer Classification of English Writing Errors. IIMSS (2013)
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) (2013)
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)
Tetsuya Nakatoh, Hirofumi Amano, Sachio Hirokawa
Prediction of Growth Rate of Operating Income Using Securities Reports. IIAI-AAI (2013)
Eisuke Ito, Takahiro Urakawa, Brendan Flanagan, Sachio Hirokawa
Keywords Frequency Trend Analysis of Online Novels. IIAI-AAI (2013)
Kazumasa Goda, Sachio Hirokawa, Tsunenori Mine
Automated Evaluation of Student Comments on Their Learning Behavior. ICWL (2013)
Makoto Okada, Sachio Hirokawa, Kiyota Hashimoto
Analysis of Opinions from Questionnaire Surveys of Farming Candidates using Cross Tabulation System. IIMSS (2013)
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) (2013)
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) (2013)
Yasuhiro Yamada, Terutaka Tansho, Sachio Hirokawa
Proposal of a Matching System for Companies and Researchers Using Patents and Scientific Papers. IIAI-AAI (2013)
Jun Zeng, Brendan Flanagan, Sachio Hirokawa
Layout-tree-based approach for identifying visually similar blocks in a web page. ICIS (2013)
Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, Kiyota Hashimoto, Sachio Hirokawa
Shifting Concepts to Their Associative Concepts via Bridges. MLDM (2013)
Kazumasa Goda, Sachio Hirokawa, Tsunenori Mine
Correlation of grade prediction performance and validity of self-evaluation comments. SIGITE Conference (2013)
Chengjiu Yin, Brendan Flanagan, Sachio Hirokawa, Yoshiyuki Tabata
Build a Search Engine to Support Doing Research Surveys on SNS. IIAI-AAI (2013)
Jun Zeng, Toshihiko Sakai, Chengjiu Yin, Takahiko Suzuki, Sachio Hirokawa
Automatic generation of tourism quiz using blogs. Artif. Life Robotics 17 (3-4) (2013)
Tetsuya Nakatoh, Sachio Hirokawa
Evaluation of Tourism Resources Extraction Based on Japanese Dependency Analysis. IIAI-AAI (2013)
Toshihiko Sakai, Sachio Hirokawa
Feature words that classify problem sentence in scientific article. iiWAS (2012)
Chengjiu Yin, Sachio Hirokawa, Brendan Flanagan, Takahiko Suzuki, Yoshiyuki Tabata
Mistake Discovery and Generation of Exercises Automaticity in Context. IIAI-AAI (2012)
Brendan Flanagan, Chengjiu Yin, Sachio Hirokawa, Han-Yu Sung, Gwo-Jen Hwang
Analysing Research Trends of Mobile Learning with the Milky Way. WMUTE (2012)
Tetsuya Nakatoh, Sachio Hirokawa
Extraction of Tourist Behavior Contexts from Blog by Verbs and Their Objects. IIAI-AAI (2012)
Eisuke Ito, Sachio Hirokawa, Kazunori Shimizu
Introducing faceted views in diversity of online novels. ICDIM (2012)
Jun Zeng, Toshihiko Sakai, Brendan Flanagan, Sachio Hirokawa
Extraction of Feature Words with the Same Generality Level as Query using Restricted Bootstrapping. CEC (2012)
Chengjiu Yin, Yoshiyuki Tabata, Sachio Hirokawa
A "Milky Way Research Trend" System for Survey of Scientific Literature. ICWL Workshops (2012)
Toshihiko Sakai, Brendan Flanagan, Jun Zeng, Tetsuya Nakatoh, Sachio Hirokawa
Search Engine Focused on Multiple Features of Scientific Articles. IIAI-AAI (2012)

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Publication Activity (10 Years)

Top Topics

Top Venues

Sachio Hirokawa