Pureに変更を加えた場合、すぐここに表示されます。

研究成果 1985 2019

2019

Does crime activity report reveal regional characteristics?

Mine, T., Hirokawa, S. & Suzuki, T., 1 1 2019, Proceedings of the 13th International Conference on Ubiquitous Information Management and Communication, IMCOM 2019. Lee, S., Choo, H. & Ismail, R. (版). Springer Verlag, p. 582-598 17 p. (Advances in Intelligent Systems and Computing; 巻数 935).

研究成果: 著書/レポートタイプへの貢献会議での発言

Crime

Evaluation Index to Find Relevant Papers: Improvement of Focused Citation Count

Nakatoh, T. & Hirokawa, S., 1 1 2019, Human Interface and the Management of Information. Visual Information and Knowledge Management - Thematic Area, HIMI 2019, Held as Part of the 21st HCI International Conference, HCII 2019, Proceedings. Yamamoto, S. & Mori, H. (版). Springer Verlag, p. 555-566 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); 巻数 11569 LNCS).

研究成果: 著書/レポートタイプへの貢献会議での発言

Citations
Count
Evaluation
Query
Ranking

Message from General Chair

Hirokawa, S., 4 16 2019, : : Proceedings - 2018 7th International Congress on Advanced Applied Informatics, IIAI-AAI 2018. p. XXIV 8693429.

研究成果: ジャーナルへの寄稿編集

Text mining of tourism preference in a multilingual site

Zeng, C., Nakatoh, T., Hirokawa, S. & Eguchi, M., 4 1 2019, : : IEEJ Transactions on Electrical and Electronic Engineering. 14, 4, p. 590-596 7 p.

研究成果: ジャーナルへの寄稿記事

Hotels
Learning systems
Visualization

Ties between mined structural patterns in program and their identifier names

Mashima, Y., Hirokawa, S. & Takeuchi, K., 1 1 2019, Integrated Uncertainty in Knowledge Modelling and Decision Making - 7th International Symposium, IUKM 2019, Proceedings. Seki, H., Inuiguchi, M., Nguyen, C. H. & Huynh, V-N. (版). Springer Verlag, p. 335-346 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); 巻数 11471 LNAI).

研究成果: 著書/レポートタイプへの貢献会議での発言

Tie
Support vector machines
Learning systems
Feature extraction
Visualization
2018
1 引用 (Scopus)

An automatic method to extract online foreign language learner writing error characteristics

Flanagan, B. & Hirokawa, S., 10 1 2018, : : International Journal of Distance Education Technologies. 16, 4, p. 15-30 16 p.

研究成果: ジャーナルへの寄稿記事

foreign language
Feedback
language
language group
learning process

Attribute-based quality classification of academic papers

Nakatoh, T., Hirokawa, S., Minami, T., Nanri, T. & Funamori, M., 6 1 2018, : : Artificial Life and Robotics. 23, 2, p. 235-240 6 p.

研究成果: ジャーナルへの寄稿記事

Publications
Classifiers
Research Personnel
Databases
Research

Automated Evaluation of Students Comments Regarding Correct Concepts and Misconceptions of Convex Lenses

Taga, M., Onishi, T. & Hirokawa, S., 7 2 2018, Proceedings - 2018 7th International Congress on Advanced Applied Informatics, IIAI-AAI 2018. Institute of Electrical and Electronics Engineers Inc., p. 273-277 5 p. 8693322. (Proceedings - 2018 7th International Congress on Advanced Applied Informatics, IIAI-AAI 2018).

研究成果: 著書/レポートタイプへの貢献会議での発言

Lenses
Students
evaluation
student
Support vector machines
1 引用 (Scopus)

Classification and feature extraction for text-based drug incident report

Yamashita, T., Nakashima, N. & Hirokawa, S., 3 12 2018, Proceedings of 2018 6th International Conference on Bioinformatics and Computational Biology, ICBCB 2018. Association for Computing Machinery, p. 145-149 5 p. (ACM International Conference Proceeding Series).

研究成果: 著書/レポートタイプへの貢献会議での発言

Feature extraction
1 引用 (Scopus)

Good students look back previous pages

Hirokawa, S., 11 24 2018, ICCE 2018 - 26th International Conference on Computers in Education, Workshop Proceedings. Wong, L-H., Banawan, M., Srisawasdi, N., Yang, J. C., Rodrigo, M. M. T., Chang, M. & Wu, Y-T. (版). Asia-Pacific Society for Computers in Education, p. 457-466 10 p. (ICCE 2018 - 26th International Conference on Computers in Education, Workshop Proceedings).

研究成果: 著書/レポートタイプへの貢献会議での発言

Students
learning
Learning systems
student
Education

Graph Clustering System for Text-Based Records in a Clinical Pathway

Yamashita, T., Onimura, N., Soejima, H., Nakashima, N. & Hirokawa, S., 1 2018, : : Studies in Health Technology and Informatics. 245, p. 649-652 4 p.

研究成果: ジャーナルへの寄稿記事

Electronic medical equipment
Critical Pathways
Analog to digital conversion
Standardization
Medical Records

Identification of Unnatural Subsets in Statistical Data

Suzuki, T., Kamimasu, T., Nakatoh, T. & Hirokawa, S., 7 2 2018, Proceedings - 2018 7th International Congress on Advanced Applied Informatics, IIAI-AAI 2018. Institute of Electrical and Electronics Engineers Inc., p. 74-80 7 p. 8693375. (Proceedings - 2018 7th International Congress on Advanced Applied Informatics, IIAI-AAI 2018).

研究成果: 著書/レポートタイプへの貢献会議での発言

Agriculture
frequency distribution
divergence
agriculture
China
1 引用 (Scopus)

Is SVM+FS better to satisfy decision by majority?

Lin, Y., Yamaguchi, K., Mine, T. & Hirokawa, S., 1 1 2018, Recent Advances on Soft Computing and Data Mining - Proceedings of the 3rd International Conference on Soft Computing and Data Mining SCDM 2018. Abawajy, J. H., Ghazali, R., Deris, M. M. & Nawi, N. M. (版). Springer Verlag, p. 261-271 11 p. (Advances in Intelligent Systems and Computing; 巻数 700).

研究成果: 著書/レポートタイプへの貢献会議での発言

Support vector machines
Learning systems
Feature extraction

Key attribute for predicting student academic performance

Hirokawa, S., 10 26 2018, Proceedings of the 10th International Conference on Education Technology and Computers, ICETC 2018. Association for Computing Machinery, p. 308-313 6 p. (ACM International Conference Proceeding Series).

研究成果: 著書/レポートタイプへの貢献会議での発言

Students
Feature extraction
Support vector machines

Quality Assurance in Education through the Diploma Policy and President's Message - An Analysis Focused on Local Community

Ogashiwa, K., Sugihara, T., Kanekawa, K., Kitanaka, Y., Noguchi, K., Aihara, S., Mori, M. & Hirokawa, S., 7 2 2018, Proceedings - 2018 7th International Congress on Advanced Applied Informatics, IIAI-AAI 2018. Institute of Electrical and Electronics Engineers Inc., p. 964-965 2 p. 8693311. (Proceedings - 2018 7th International Congress on Advanced Applied Informatics, IIAI-AAI 2018).

研究成果: 著書/レポートタイプへの貢献会議での発言

Quality assurance
quality assurance
president
Education
Students

Simplicity of Positive Reviews and Diversity of Negative Reviews in Hotel Reputation

Hirokawa, S. & Hashimoto, K., 7 2 2018, 2018 International Joint Symposium on Artificial Intelligence and Natural Language Processing, iSAI-NLP 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8692973. (2018 International Joint Symposium on Artificial Intelligence and Natural Language Processing, iSAI-NLP 2018 - Proceedings).

研究成果: 著書/レポートタイプへの貢献会議での発言

Hotels
Support vector machines
Learning systems
Feature extraction
Industry

User Behavior Analysis of Location-Based Social Network

Zeng, J., He, X., Wu, Y. & Hirokawa, S., 7 2 2018, Proceedings - 2018 7th International Congress on Advanced Applied Informatics, IIAI-AAI 2018. Institute of Electrical and Electronics Engineers Inc., p. 21-25 5 p. 8693321. (Proceedings - 2018 7th International Congress on Advanced Applied Informatics, IIAI-AAI 2018).

研究成果: 著書/レポートタイプへの貢献会議での発言

behavior analysis
social network
Social networks
User behavior
Behavior analysis
2017

A Multi-model SVR Approach to Estimating the CEFR Proficiency Level of Grammar Item Features

Flanagan, B., Hirokawa, S., Kaneko, E., Izumi, E. & Ogata, H., 11 15 2017, Proceedings - 2017 6th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2017. Hashimoto, K., Fukuta, N., Matsuo, T., Hirokawa, S., Mori, M. & Mori, M. (版). Institute of Electrical and Electronics Engineers Inc., p. 521-526 6 p. 8113300. (Proceedings - 2017 6th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2017).

研究成果: 著書/レポートタイプへの貢献会議での発言

Support vector machines
Feature extraction
Grammar
Language
Feature selection

Analysis of the quality of academic papers by the words in abstracts

Nakatoh, T., Nagatani, K., Minami, T., Hirokawa, S., Nanri, T. & Funamori, M., 1 1 2017, Human Interface and the Management of Information: Supporting Learning, Decision-Making and Collaboration - 19th International Conference, HCI International 2017, Proceedings. Yamamoto, S. (版). Springer Verlag, p. 434-443 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); 巻数 10274 LNCS).

研究成果: 著書/レポートタイプへの貢献会議での発言

Citations
Cross-validation
Discrimination
Machine Learning
Count

An Analysis of Characteristics of Student-Athletes from Questionnaire by SVM

Sugihara, T., Aihara, S., Hirokawa, S. & Nara, T., 11 15 2017, Proceedings - 2017 6th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2017. Institute of Electrical and Electronics Engineers Inc., p. 163-166 4 p. 8113232

研究成果: 著書/レポートタイプへの貢献会議での発言

Support vector machines
Students
Support vector machine
Questionnaire
Feature extraction
3 引用 (Scopus)

A Point-of-Interest Recommendation Method Using Location Similarity

Zeng, J., Li, Y., Li, F., Wen, J. & Hirokawa, S., 11 15 2017, Proceedings - 2017 6th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2017. Hashimoto, K., Fukuta, N., Matsuo, T., Hirokawa, S., Mori, M. & Mori, M. (版). Institute of Electrical and Electronics Engineers Inc., p. 436-440 5 p. 8113284. (Proceedings - 2017 6th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2017).

研究成果: 著書/レポートタイプへの貢献会議での発言

Experiments
Experiment
1 引用 (Scopus)

Classification of imbalanced documents by feature selection

Adachi, Y., Onimura, N., Yamashita, T. & Hirokawa, S., 5 19 2017, Proceedings of 2017 International Conference on Compute and Data Analysis, ICCDA 2017. Association for Computing Machinery, 巻 Part F130280. p. 228-232 5 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Feature extraction
Learning systems
Experiments

Classification of speaking proficiency level by machine learning and feature selection

Flanagan, B., Hirokawa, S., Kaneko, E. & Izumi, E., 1 1 2017, Emerging Technologies for Education - 1st International Symposium, SETE 2016 Held in Conjunction with ICWL 2016, Revised Selected Papers. Springer Verlag, 巻 10108 LNCS. p. 677-682 6 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); 巻数 10108 LNCS).

研究成果: 著書/レポートタイプへの貢献会議での発言

Feature Selection
Support vector machines
Learning systems
Feature extraction
Machine Learning

Cluster analysis of scientific citation context

Nakatoh, T., Nagatani, K., Kanekawa, K., Suzuki, T. & Hirokawa, S., 12 4 2017, 19th International Conference on Information Integration and Web-Based Applications and Services, iiWAS2017 - Proceedings. Anderst-Kotsis, G., Steinbauer, M., Khalil, I., Indrawan-Santiago, M. & Salvadori, I. L. (版). Association for Computing Machinery, p. 111-115 5 p. (ACM International Conference Proceeding Series).

研究成果: 著書/レポートタイプへの貢献会議での発言

Cluster analysis

Difficulty of words and their ambiguity estimated from the result of word sense disambiguation

Suzuki, T., Miyata, K. & Hirokawa, S., 6 16 2017, Proceedings - 11th 2016 International Conference on Knowledge, Information and Creativity Support Systems, KICSS 2016. Institute of Electrical and Electronics Engineers Inc., 7951414. (Proceedings - 11th 2016 International Conference on Knowledge, Information and Creativity Support Systems, KICSS 2016).

研究成果: 著書/レポートタイプへの貢献会議での発言

Word sense disambiguation
WordNet
Language
1 引用 (Scopus)

Finding key integer values in many features for learners' academic performance prediction

Tanabe, Y., Kagari, K., Kitanaka, Y., Takeuchi, K. & Hirokawa, S., 12 20 2017, Proceedings of the 9th International Conference on Education Technology and Computers, ICETC 2017. Association for Computing Machinery, p. 167-171 5 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Support vector machines
Data mining
Decision trees

Generation of sentence template graph from SOAP format medical documents

Onimura, N., Yamashita, T., Nakayama, N., Soejima, H. & Hirokawa, S., 3 17 2017, Proceedings - 2016 International Conference on Computational Science and Computational Intelligence, CSCI 2016. Yang, M., Arabnia, H. R., Deligiannidis, L. & Deligiannidis, L. (版). Institute of Electrical and Electronics Engineers Inc., p. 159-162 4 p. 7881330. (Proceedings - 2016 International Conference on Computational Science and Computational Intelligence, CSCI 2016).

研究成果: 著書/レポートタイプへの貢献会議での発言

Search Engine
Critical Pathways
Search engines
Health care
Standardization
1 引用 (Scopus)

Graph clustering system for text-based records in a clinical pathway

Yamashita, T., Onimura, N., Soejima, H., Nakashima, N. & Hirokawa, S., 1 1 2017, MEDINFO 2017: Precision Healthcare through Informatics - Proceedings of the 16th World Congress on Medical and Health Informatics. Dongsheng, Z., Gundlapalli, A. V. & Marie-Christine, J. (版). IOS Press, p. 649-652 4 p. (Studies in Health Technology and Informatics; 巻数 245).

研究成果: 著書/レポートタイプへの貢献会議での発言

Electronic medical equipment
Critical Pathways
Analog to digital conversion
Standardization
Medical Records
17 引用 (Scopus)

Learning analytics for E-book-based educational big data in higher education

Ogata, H., Terai, M., Mohri, K., Okubo, F., Shimada, A., Yamada, M., Wang, J. & Hirokawa, S., 5 29 2017, Smart Sensors at the IoT Frontier. Springer International Publishing, p. 327-350 24 p.

研究成果: 著書/レポートタイプへの貢献

Education
Big data

LTDE: A layout tree based approach for deep page data extraction

Zeng, J., Li, F., Flanagan, B. & Hirokawa, S., 5 1 2017, : : IEICE Transactions on Information and Systems. E100D, 5, p. 1067-1078 12 p.

研究成果: ジャーナルへの寄稿記事

HTML
Websites
World Wide Web
Experiments
4 引用 (Scopus)

Machine learning is better than human to satisfy decision by majority

Hirokawa, S., Suzuki, T. & Mine, T., 8 23 2017, Proceedings - 2017 IEEE/WIC/ACM International Conference on Web Intelligence, WI 2017. Association for Computing Machinery, Inc, p. 694-701 8 p. (Proceedings - 2017 IEEE/WIC/ACM International Conference on Web Intelligence, WI 2017).

研究成果: 著書/レポートタイプへの貢献会議での発言

Learning systems
Feature extraction
5 引用 (Scopus)

Personalized movie recommendation system based on support vector machine and improved particle swarm optimization

Wang, X., Luo, F., Sang, C., Zeng, J. & Hirokawa, S., 2 1 2017, : : IEICE Transactions on Information and Systems. E100D, 2, p. 285-293 9 p.

研究成果: ジャーナルへの寄稿記事

Recommender systems
Particle swarm optimization (PSO)
Support vector machines
Collaborative filtering
Information technology

Predicting learning result of learner in e-learning course with feature selection using SVM

Kitanaka, Y., Takeuchi, K. & Hirokawa, S., 12 20 2017, Proceedings of the 9th International Conference on Education Technology and Computers, ICETC 2017. Association for Computing Machinery, p. 122-125 4 p. (ACM International Conference Proceeding Series).

研究成果: 著書/レポートタイプへの貢献会議での発言

Feature extraction
Data mining
Learning systems

Who is the Last Author of Your Paper?

Kanekawa, K., Nakatoh, T., Suzuki, T. & Hirokawa, S., 11 15 2017, Proceedings - 2017 6th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2017. Institute of Electrical and Electronics Engineers Inc., p. 221-224 4 p. 8113246

研究成果: 著書/レポートタイプへの貢献会議での発言

Time series
Experiments
2016
1 引用 (Scopus)

Accumulated citation count as fertileness of scientific article

Hirokawa, S., Nakatoh, T. & Nakanishi, H., 3 2 2016, Proceedings - 2015 International Conference on Computational Science and Computational Intelligence, CSCI 2015. Tran, Q-N., Deligiannidis, L. & Arabnia, H. R. (版). Institute of Electrical and Electronics Engineers Inc., p. 119-122 4 p. 7424074. (Proceedings - 2015 International Conference on Computational Science and Computational Intelligence, CSCI 2015).

研究成果: 著書/レポートタイプへの貢献会議での発言

7 引用 (Scopus)

A restaurant recommender system based on user preference and location in mobile environment

Zeng, J., Li, F., Liu, H., Wen, J. & Hirokawa, S., 8 31 2016, Proceedings - 2016 5th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2016. Hiramatsu, A., Matsuo, T., Kanzaki, A. & Komoda, N. (版). Institute of Electrical and Electronics Engineers Inc., p. 55-60 6 p. 7557575. (Proceedings - 2016 5th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2016).

研究成果: 著書/レポートタイプへの貢献会議での発言

Recommender systems
5 引用 (Scopus)

Automated duplicate bug report detection using multi-factor analysis

Zou, J., Xu, L., Yang, M., Zhang, X., Zeng, J. & Hirokawa, S., 7 1 2016, : : IEICE Transactions on Information and Systems. E99D, 7, p. 1762-1775 14 p.

研究成果: ジャーナルへの寄稿記事

Factor analysis
Semantics
Experiments
1 引用 (Scopus)

Automatic extraction and prediction of word order errors from language learning SNS

Flanagan, B. & Hirokawa, S., 8 31 2016, Proceedings - 2016 5th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2016. Hiramatsu, A., Matsuo, T., Kanzaki, A. & Komoda, N. (版). Institute of Electrical and Electronics Engineers Inc., p. 292-295 4 p. 7557620. (Proceedings - 2016 5th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2016).

研究成果: 著書/レポートタイプへの貢献会議での発言

Learning systems
Classifiers

A visual citation search engine

Nakatoh, T., Nakanishi, H., Minami, T., Baba, K. & Hirokawa, S., 1 1 2016, Human Interface and the Management of Information: Information, Design and Interaction - 18th International Conference, HCI International 2016, Proceedings. Yamamoto, S. (版). Springer Verlag, p. 168-178 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); 巻数 9734).

研究成果: 著書/レポートタイプへの貢献会議での発言

Citations
Search engines
Search Engine
Surveying
Tie
1 引用 (Scopus)

Bibliometric search with focused citation ratios

Nakatoh, T., Nakanishi, H., Minami, T., Baba, K. & Hirokawa, S., 8 31 2016, Proceedings - 2016 5th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2016. Hiramatsu, A., Matsuo, T., Kanzaki, A. & Komoda, N. (版). Institute of Electrical and Electronics Engineers Inc., p. 150-153 4 p. 7557593. (Proceedings - 2016 5th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2016).

研究成果: 著書/レポートタイプへの貢献会議での発言

Visualization
Time series

Correlation between an Entropy Based Measure and English Language Learner Proficiency

Flanagan, B. & Hirokawa, S., 1 6 2016, Proceedings - 2015 IIAI 4th International Congress on Advanced Applied Informatics, IIAI-AAI 2015. Institute of Electrical and Electronics Engineers Inc., p. 349-353 5 p. 7373929

研究成果: 著書/レポートタイプへの貢献会議での発言

Error detection
Entropy
Error correction
Education

Feature words of moves in scientific abstracts

Hashimoto, K., Soonklang, T. & Hirokawa, S., 8 31 2016, Proceedings - 2016 5th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2016. Institute of Electrical and Electronics Engineers Inc., p. 144-149 6 p. 7557592

研究成果: 著書/レポートタイプへの貢献会議での発言

Support vector machines
Feature extraction
7 引用 (Scopus)

Focused Citation Count: A Combined Measure of Relevancy and Quality

Nakatoh, T., Nakanishi, H., Baba, K. & Hirokawa, S., 1 6 2016, Proceedings - 2015 IIAI 4th International Congress on Advanced Applied Informatics, IIAI-AAI 2015. Hirokawa, S., Hashimoto, K., Matsuo, T. & Mine, T. (版). Institute of Electrical and Electronics Engineers Inc., p. 166-170 5 p. 7373895. (Proceedings - 2015 IIAI 4th International Congress on Advanced Applied Informatics, IIAI-AAI 2015).

研究成果: 著書/レポートタイプへの貢献会議での発言

5 引用 (Scopus)

Learning activity features of high performance students

Okubo, F., Hirokawa, S., Terai, M., Shimada, A., Kentaro, K., Yamada, M. & Ogata, H., 1 1 2016, : : CEUR Workshop Proceedings. 1601, p. 28-33 6 p.

研究成果: ジャーナルへの寄稿Conference article

Students
Support vector machines
2 引用 (Scopus)

Measuring & evaluating digital textbooks through quizzes

Yin, C., Yau, J. Y. K., Uosaki, N., Hirokawa, S. & Kumamoto, E., 1 1 2016, ICCE 2016 - 24th International Conference on Computers in Education: Think Global Act Local - Main Conference Proceedings. Wong, S. L., Barrera, A. G., Mitsuhara, H., Biswas, G., Jia, J., Yang, J-C., Banawan, M. P., Demirbilek, M., Gaydos, M., Lin, C-P., Shon, J. G., Iyer, S., Gulz, A., Holden, C., Kessler, G., Rodrigo, M. M. T., Sengupta, P., Taalas, P., Chen, W., Murthy, S., Kim, B., Ochoa, X., Sun, D., Baloian, N., Hoel, T., Hoppe, U., Hsu, T-C., Kukulska-Hulme, A., Chu, H-C., Gu, X., Chen, W., Huang, J. S., Jan, M-F., Wong, L-H. & Yin, C. (版). Asia-Pacific Society for Computers in Education, p. 374-379 6 p. (ICCE 2016 - 24th International Conference on Computers in Education: Think Global Act Local - Main Conference Proceedings).

研究成果: 著書/レポートタイプへの貢献会議での発言

Textbooks
quiz
textbook
Students
teaching materials

Message from Congress General Chair

Hirokawa, S., 1 6 2016, : : Unknown Journal. p. xvii 7373860.

研究成果: ジャーナルへの寄稿編集

Procurement Service of Japanese Product between Japan and China

Xu, Y., Hirokawa, S. & Inoue, H., 1 4 2016, Proceedings - 2015 International Conference on Computer Application Technologies, CCATS 2015. Institute of Electrical and Electronics Engineers Inc., p. 38-39 2 p. 7372308

研究成果: 著書/レポートタイプへの貢献会議での発言

Internet
Industry
1 引用 (Scopus)

Sentiment Analysis of Wine Aroma

Wariishi, N., Flanagan, B., Suzuki, T. & Hirokawa, S., 1 6 2016, Proceedings - 2015 IIAI 4th International Congress on Advanced Applied Informatics, IIAI-AAI 2015. Institute of Electrical and Electronics Engineers Inc., p. 207-212 6 p. 7373902

研究成果: 著書/レポートタイプへの貢献会議での発言

Wine
Support vector machines
Marketing
Internet
Industry
6 引用 (Scopus)

Shilling attack detection in recommender systems via selecting patterns analysis

Li, W., Gao, M., Li, H., Zeng, J., Xiong, Q. & Hirokawa, S., 10 1 2016, : : IEICE Transactions on Information and Systems. E99D, 10, p. 2600-2611 12 p.

研究成果: ジャーナルへの寄稿記事

Recommender systems
Collaborative filtering
Learning systems
Feature extraction
Experiments
5 引用 (Scopus)

Standard measure and SVM measure for feature selection and their performance effect for text classification

Adachi, Y., Onimura, N., Yamashita, T. & Hirokawa, S., 11 28 2016, 18th International Conference on Information Integration and Web-Based Applications and Services, iiWAS 2016 - Proceedings. Indrawan-Santiago, M., Anderst-Kotsis, G., Steinbauer, M. & Khalil, I. (版). Association for Computing Machinery, p. 262-266 5 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Feature extraction
Experiments