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立命館大学　研究者学術情報データベース English>> TOPページ TOPページ > ＫＯＶＡＣＳ ＭＡＴＥ （最終更新日 : 2022-02-02 12:39:21） コバーチ マーテ ＫＯＶＡＣＳ ＭＡＴＥ KOVACS MATE 所属 情報理工学部 情報理工学科 職名 助教 業績 その他所属 プロフィール 学歴 職歴 委員会・協会等 所属学会 資格・免許 研究テーマ 研究概要 研究概要（関連画像） 現在の専門分野 研究 著書 論文 その他 学会発表 その他研究活動 講師・講演 受賞学術賞 科学研究費助成事業 競争的資金等(科研費を除く) 共同・受託研究実績 取得特許 研究高度化推進制度 教育 授業科目 教育活動 社会活動 社会における活動 研究交流希望テーマ その他 研究者からのメッセージ ホームページ メールアドレス 科研費研究者番号 researchmap研究者コード 外部研究者ID 学歴 1. 2018/04～2021/03 博士後期課程 │ Advanced Information Science and Engineering program │ Graduate School of Information Science and Engineering │ Ritsumeikan University │ 修了 │ Doctor of Engineering 2. 2016/04～2018/03 博士前期課程 │ Computer Science course │ Graduate School of Information Science and Engineering │ Ritsumeikan University │ 修了 │ Master of Engineering 3. 2014/10～2016/03 MEXT Scholarship research program (Japanese studies) │ Center for Japanese Language and Culture │ Osaka University │ 卒業 4. 2011/10～2012/10 MEXT Scholarship program (Japanese language and culture) │ Center for Japanese Language and Culture │ Osaka University │ 卒業 5. 2009/09～2013/07 Japanese studies │ Oriental Languages and Cultures - Japanese Studies │ Karoli Gaspar University of the Reformed Church │ 卒業 │ Bachelor's Degree in Japanese studies 職歴 1. 2021/04/01 ～ Starting Assistant Professor │ College of Information Science and Engineering │ Ritsumeikan University 2. 2020/04 ～ 2020/08 Academic Tutor │ College of Global Liberal Arts │ Ritsumeikan University 3. 2018/12 ～ 2019/04 Research Assistant │ Graduate School of Information Science and Engineering │ Ritsumeikan University 4. 2018/04 ～ 2021/02 Teaching Assistant │ College of Information Science and Engineering │ Ritsumeikan University 5. 2014/05 ～ 2014/09 Sales Executive │ │ JTB Corp. 全件表示（7件） 資格・免許 1. 2012 JLPT N1 2. 2012 Kanji Kentei Level 2 研究テーマ 1. Development of a mathematical model of online review quality for machine learning systems 2. Towards a Model of Online Petition Signing Dynamics in Taiwan 研究概要 Online reviews available on e-commerce websites influence the purchase decision-making process of customers, and companies often rely on this form of user-generated content to attract new customers and improve user experience. As the number of reviews increases over time, however, both the companies and the customers face an information overload, while the value of reviews depreciates. Therefore, e-commerce companies require systems to be developed to automatically assess the quality of reviews, and to identify relevant content. The goal of the research is to develop a mathematical model of online review quality, and to build a deep learning system based on the model, that would efficiently quantify the quality of reviews. The study would contribute to the fields of Data quality assessment and Customer need research, while its results would have an impact on the design and development of deep learning systems for customer-driven product innovation. 現在の専門分野 Information Science, Computer Science (キーワード：data quality, deep learning, natural language processing, data mining) 論文 1. 2021/12/07 An Unsupervised Approach for Customer Need Assessment in E-commerce: A Case Study of Japanese Customer Reviews │ (共著)   2. 2021/09/13 Towards a Model of Online Petition Signing Dynamics on the Join Platform in Taiwan │ (共著)   3. 2021 A Machine Learning Approach to Analyze Fashion Styles from Large Collections of Online Customer Reviews │ 2021 6th International Conference on Business and Industrial Research (ICBIR) IEEE Proceedings │ ,153--158頁 (共著)   4. 2020 Assessing Customer Needs Based on Online Reviews: A Topic Modeling Approach │ CEUR Proceedings of the 5th International Workshop on Innovations in Information and Communication Science and Technology │ ,57--62頁 (共著)   5. 2020 Expanding the Feature Space of Deep Neural Networks for Sentiment Classification │ International Journal of Machine Learning and Computing │ 10 (2),271--276頁 (共著)   全件表示（10件） 学会発表 1. 2021/09 An Unsupervised Approach for Customer Need Assessment in E-commerce: A Case Study of Japanese Customer Reviews (6th International Conference on Cloud Computing and Internet of Things) 2. 2019 Expanding the Feature Space of Deep Neural Networks for Sentiment Classification (2019 2nd International Conference on Information Science and Systems) 3. 2019 Latent variable-based multiple instance learning towards label-free polarity detection (2019 2nd International Conference on Information Science and Systems) 4. 2019 Towards Assessing Online Customer Reviews from the Product Designer’s Viewpoint (18th IFIP WG 6.11 Conference on e-Business, e-Services, and e-Society) 5. 2019 We Know What You Will Do Next Summer: A Deep Learning Approach to Predict Internet Voting With Electoral Register Data (European Symposium Series on Societal Challenges in Computational Science – 2019 Polarization and Radicalization) 全件表示（6件） 受賞学術賞 1. 2019 ICISS 2019 Committee Best Presentation Award at the International Conference on Information Science and System 2019 2. 2018 ICKE 2018 Committee Best Presentation Award at the International Conference on Knowledge Engineering 2018 ホームページ e-Society Laboratory メールアドレス 外部研究者ID ORCID ID 0000-0001-5999-8061 © Ritsumeikan Univ. 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