WAKABAYASHI Kei
- Affiliation
- Institute of Library, Information and Media Science
- Official title
- Associate Professor
- URL
- Research fields
Intelligent informatics Statistical science - Research keywords
Multi-Agent Reinforcement Learning Emergent Communication Mechanistic Interpretability of AI Models - Research projects
Elucidating the Process of Social Dynamics Formation through Cognitive Science and Multi-Agent Deep Reinforcement Learning 2026-04 -- 2030-03 Kei Wakabayashi Japan Society of for the Promotion of Science/Grant-in-Aid for Scientific Research (B) 18,330,000Yen Technical Infrastructure for Rapid Construction of Controllable Conversational AI 2022-04 -- 2025-03 WAKABAYASHI Kei Japan Society for the Promotion of Science/Grant-in-Aid for Scientific Research (C) 4,160,000Yen Crowdsourcing Platform for Implementing Cognitive Apprenticeship between Humans and Artificial Intelligence 2021-04 -- 2025-03 Matsubara Masaki Japan Society for the Promotion of Science/Grant-in-Aid for Scientific Research (B) 17,160,000Yen Comprehensive Research on Social Media Usage and Subjective Well-being in "Mobile x Social Era" 2021-04 -- 2025-03 YE Shaoyu Japan Society for the Promotion of Science/Grant-in-Aid for Scientific Research (B) 16,250,000Yen Study on Improving Performance of Natural Language Processing by Integrating Collocation Extraction and Deep Learning 2019-04 -- 2023-03 Kei WAKABAYASHI Japan Society for the Promotion of Science/Grant-in-Aid for Early-Career Scientists 4,290,000Yen Twitterにおけるソーシャルサポートと心理的幸福感の関係：自然言語処理による分析を用いて 2019-04 -- 2021-03 YE Shaoyu Telecommunications Advancement Foundation/Research Grant 2,900,000Yen Research on interaction between social capital growth and user's information behavior 2016-04 -- 2020-03 SATOH Tetsuji Japan Society for the Promotion of Science/Grant-in-Aid for Scientific Research (B) 17,940,000Yen Dynamic Progresses of Social Capital based on Knowledge Extraction from Community Media 2013-04 -- 2016-03 25280110 Japan Society for the Promotion of Science/Grant-in-Aid for Scientific Research (B) 15,600,000Yen A collaborative environment for bustling e-learning 2013-04 -- 2016-03 SATOH Tetsuji Japan Society for the Promotion of Science/Grant-in-Aid for Challenging Exploratory Research 3,770,000Yen Establishing Equivalent Transformation from Syntactic Parsing Models to Hierarchical Probabilistic Automaton 2012-08 -- 2014-03 WAKABAYASHI Kei Japan Society for the Promotion of Science/Grant-in-Aid for Research Activity Start-up 2,990,000Yen - Career history
2020-01 -- (current) University of TsukubaFaculty of Library, Information and Media ScienceAssociate Professor 2012-04 -- 2019-12 University of TsukubaFaculty of Library, Information and Media ScienceAssistant Professor - Degree
2012-03 Ph.D. in Engineering Hosei University - Academic societies
2016-06 -- (current) THE JAPANESE SOCIETY FOR ARTIFICIAL INTELLIGENCE 2015-12 -- (current) THE ASSOCIATION FOR NATURAL LANGUAGE PROCESSING 2013-12 -- (current) Information Processing Society of Japan 2010 -- (current) Association for Computing Machinery 2010 -- (current) THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. 2008 -- (current) THE DATABASE SOCIETY OF JAPAN - Honors & Awards
2026-03 日本データベース学会 若手功績賞 2023-07 JSAI Annual Conference Award Effectiveness of Joint Attention in Deep Learning for Generating Language Describing Actions 2022-06 ACM Web Science Conference 2022 Best Paper Candidate HAEM: Obtaining Higher-Quality Classification Task Results with AI workers 2022-06 DBSJ Journal 2021 Best Paper Award Task Result Quality Management through Interactions in Human+AI Crowd 2021-03 DEIMフォーラム2021優秀論文賞 人間+AIクラウドの相互作用によるタスク結果品質の管理手法 2018-07 International Journal of Web Information Systems 2018 Outstanding Paper Twitter user growth analysis based on diversities in posting activities 2016-11 iiWAS2016 Best Paper Award Who are Growth Users?: Analyzing and Predicting Intended Twitter User Growth 2015-11 WebDB Forum 2015優秀論文賞 トピックモデルに基づく大規模ネットワークの重複コミュニティ発見 2014-03 DEIMフォーラム2014優秀論文賞 階層型HMMに基づくフレーズ生成トピックモデルの提案 - Articles
- Translation of Emergent Language and Natural Language by using VQ-VAE and UNMT
内藤 愛響; 若林 啓
第４０回人工知能学会全国大会論文集, 2026-06-08 - The Effect of Population Size on Cultural Accumulation using Multi-Agent Reinforcement Learning
内藤 愛響; 若林 啓
第４０回人工知能学会全国大会論文集, 2026-06-08 - ノイズロバストな学習手法を用いた創発言語における構成性の改善
外谷 直人; 若林 啓
第４０回人工知能学会全国大会論文集, 2026-06-08 - Communication Emergence under Reward Delay: The Role of Direct Utility in Temporally Extended Communication Games
INOUE Naoki; WAKABAYASHI Kei
Artificial Life and Robotics/31(1), 2026-02 - Active Utterance Collection for Efficient NLU Model Training in Dialog Systems
Rui Yang; WAKABAYASHI Kei
Journal of Information Processing, 2025-10 - Concept Bottleneck Model with Emergent Communication Framework for Explainable AI
Javar Farnoosh; WAKABAYASHI Kei
Joint Proceedings of the xAI 2025 Late-breaking Work, Demos and Doctoral Consortium co-located with the 3rd World Conference on eXplainable Artificial Intelligence (xAI 2025)/4017/pp.57-64, 2025-07-09 - The Role of Direct Utility for Signaling in Communication Emergence: Insights from Temporally Extended Communication Game
INOUE Naoki; WAKABAYASHI Kei
30th International Symposium on Artificial Life and Robotics(AROB 30th 2025), 2025-01 - Proposal and analysis of a cultural evolution model based on behavioral policies of individuals
内藤 愛響; 若林 啓
第３９回人工知能学会全国大会論文集, 2025-05-27 - Analysis of the interaction between learning and evolution in communication emergence using evolutionary reinforcement learning
藤原 拓真; 若林 啓
第３９回人工知能学会全国大会論文集, 2025-05-27 - Observation of the Baldwin Effect in Collective Emergent Language Using Evolutionary Deep Reinforcement Learning
外谷 直人; 若林 啓
第３９回人工知能学会全国大会論文集, 2025-05-27 - A Computational Analysis Method for the Emergence of Communication with Temporally Extended Communication Games
井上 直紀; 若林 啓
第３９回人工知能学会全国大会論文集, 2025-05-27 - Active Utterance Collection based on Multi-Armed Bandits for Natural Language Understanding in Dialog Systems.
Yang Rui; WAKABAYASHI Kei
The 26th International Conference on Information Integration and Web Intelligence (iiWAS2024)/15343/pp.124-139, 2024-12-04 - Multi-target feature selection method for predicting user-level psychological status from text
Cai Danmeng; Wakabayashi Kei; Ye Shaoyu
Information Integration and Web Intelligence/15342/pp.182-197, 2024-12 - Examining Conditions for Emergence of Observational Learning in Reinforcement Learning Agents
神野 智樹; 石金 大空; 井上 直紀; 若林 啓
第３８回人工知能学会全国大会論文集, 2024-05-28 - A Computational Analysis of the Necessity of Cue in Communication Emergence
井上 直紀; 若林 啓; 神野 智樹; 石金 大空
第３８回人工知能学会全国大会論文集, 2024-05-28 - Identifying social media language impacting subjective well-being: An analysis using public posts collected from X
Cai Danmeng; Wakabayashi Kei; Ye Shaoyu
Program of the JSET Spring Conference 2024 (44th)/pp.461-462, 2024-03 - Relationship between university students’ posts on X and their subjective well-being during the COVID-19 pandemic: Examinations from two-year surveys and analysis of language features
蔡 丹萌; 若林 啓; 叶 少瑜
Forum on Data Engineering and Information Management, 2024-03 - 大規模言語モデルを用いた語用論的アプローチに基づく誤解可能性を考慮した画像情報ラベリング
池垣 隼介; 清野 駿; 周 子楷; 若林 啓; 竹内 誉羽
第16回データ工学と情報マネジメントに関するフォーラム(DEIM2024), 2024-02 - Pragmatic Approach to Automatic Topic Labeling with Zero-shot Classification
Zikai ZHOU; 若林 啓
第16回データ工学と情報マネジメントに関するフォーラム(DEIM2024), 2024-02 - Phrase-Level Topic Modeling Based on Joint Embedding Space of Words, Phrases and Documents
Zhou Zikai; Wakabayashi Kei; Ito Hiroyoshi
Journal of Information Processing/32/pp.256-264, 2024-02 - Reducing Human Effort in Keyphrase-Based Human-in-the-Loop Topic Models: A Method for Keyphrase Recommendations
Khan Muhammad Haseeb; Wakabayashi Kei
Proceedings of the 25th International Conference on Information Integration and Web Intelligence/pp.233-248, 2023-11 - Improving Abstractive Summarization by Transfer Learning with Adaptive Document Selection
Masato Shirai; Wakabayashi Kei
International Journal of Smart Computing and Artificial Intelligence/7(2), 2023-10 - Exploring the Impact of Syntactic Structure Information on Unknown Entity Recognition in Transformer-based Natural Language Understanding
Yang Rui; Javar Farnoosh; Wakabayashi Kei; Takeuchi J...
Proceedings of the 14th International Conference on Smart Computing and Artificial Intelligence/pp.331-336, 2023-07 - Hybrid Crowd-AI Learning for Human-Interpretable Symbolic Rules in Image Classification
Shimizu Ayame; Wakabayashi Kei; Matsubara Masaki; Ito Hi...
Proceedings of the 13th International Conference on Smart Computing and Artificial Intelligence, 2023-07 - 動作を表す言語を生成する深層学習における共同注意の有効性
小田倉 史麿; 若林 啓
第３７回人工知能学会全国大会論文集, 2023-06-06 - more...
- Translation of Emergent Language and Natural Language by using VQ-VAE and UNMT
- Books
- The relationships between users' negative tweets, topic choices, and subjective well-being in Japan
Ye Shaoyu; Wakabayashi Kei; Ho Kai Wing Kevin; Khan Muha...
Handbook of Research on Foundations and Applications of Intelligent Business Analytics/Publisher of Timely Knowledge/pp.288-300, 2022-02 - 自然言語文書からの事象系列の知識抽出に関する研究
若林 啓
2012-03
- The relationships between users' negative tweets, topic choices, and subjective well-being in Japan
- Conference, etc.
- Causal relationship between university students' personality traits and tweets/retweets: Examination through longitudinal survey
叶 少瑜; 若林 啓
ヒューマンコミュニケーション基礎研究会/2023-03-02--2023-03-03 - The relationships between Twitter users' emotional expressions, topics and subjective well-being among university students
叶 少瑜; 若林 啓; 周 子楷
ヒューマンコミュニケーション基礎研究会/2022-03-11--2022-03-12 - Translation of Emergent Language and Natural Language by using VQ-VAE and UNMT
内藤 愛響; 若林 啓
第４０回人工知能学会全国大会/2026-06-08--2026-06-12 - The Effect of Population Size on Cultural Accumulation using Multi-Agent Reinforcement Learning
内藤 愛響; 若林 啓
第４０回人工知能学会全国大会/2026-06-08--2026-06-12 - ノイズロバストな学習手法を用いた創発言語における構成性の改善
外谷 直人; 若林 啓
第４０回人工知能学会全国大会/2026-06-08--2026-06-12 - Investigating the Baldwin Effect in Emergent Collective Communication via Evolutionary Deep Reinforcement Learning
TOYA Naoto; WAKABAYASHI Kei
ALIFE2025 workshop Emergence and evolution of language and communication/2025-10-06--2025-10-10 - A Computational Analysis Method for the Emergence of Communication with Temporally Extended Communication Games
INOUE Naoki; WAKABAYASHI Kei
ALIFE2025 workshop Emergence and evolution of language and communication/2025-10-06--2025-10-10 - Concept Bottleneck Model with Emergent Communication Framework for Explainable AI
Javar Farnoosh; WAKABAYASHI Kei
The 3rd World Conference on eXplainable Artificial Intelligence/2025-07-09--2025-07-11 - Proposal and analysis of a cultural evolution model based on behavioral policies of individuals
内藤 愛響; 若林 啓
第３９回人工知能学会全国大会/2025-05-27--2025-05-30 - Analysis of the interaction between learning and evolution in communication emergence using evolutionary reinforcement learning
藤原 拓真; 若林 啓
第３９回人工知能学会全国大会/2025-05-27--2025-05-30 - Observation of the Baldwin Effect in Collective Emergent Language Using Evolutionary Deep Reinforcement Learning
外谷 直人; 若林 啓
第３９回人工知能学会全国大会/2025-05-27--2025-05-30 - A Computational Analysis Method for the Emergence of Communication with Temporally Extended Communication Games
井上 直紀; 若林 啓
第３９回人工知能学会全国大会/2025-05-27--2025-05-30 - The Role of Direct Utility for Signaling in Communication Emergence: Insights from Temporally Extended Communication Game
INOUE Naoki; WAKABAYASHI Kei
30th International Symposium on Artificial Life and Robotics(AROB 30th 2025)/2025-01-22--2025-01-24 - Active Utterance Collection based on Multi-Armed Bandits for Natural Language Understanding in Dialog Systems.
Yang Rui; WAKABAYASHI Kei
The 26th International Conference on Information Integration and Web Intelligence (iiWAS2024)/2024-12-02--2024-12-04 - Multi-target feature selection method for predicting user-level psychological status from text
Cai Danmeng; Wakabayashi Kei; Ye Shaoyu
The 26th International Conference on Information Integration and Web Intelligence (iiWAS2024)/2024-12-2--2024-12-4 - Reducing Human Effort in Keyphrase-Based Human-in-the-Loop Topic Models: A Method for Keyphrase Recommendations
Khan Muhammad Haseeb; Wakabayashi Kei
The 25th International Conference on Information Integration and Web Intelligence (iiWAS2023)/2023-12-04--2023-12-06 - Examining Conditions for Emergence of Observational Learning in Reinforcement Learning Agents
神野 智樹; 石金 大空; 井上 直紀; 若林 啓
第３８回人工知能学会全国大会/2024-05-28--2024-05-31 - A Computational Analysis of the Necessity of Cue in Communication Emergence
井上 直紀; 若林 啓; 神野 智樹; 石金 大空
第３８回人工知能学会全国大会/2024-05-28--2024-05-31 - User Tagging Method based on Burst Time Series
山本 修平; 若林 啓; 神門 典子; 佐藤 哲司
情報処理学会 マルチメディア，分散，協調とモバイル(DICOMO2015)シンポジウム/2015-07 - 大規模言語モデルを用いた語用論的アプローチに基づく誤解可能性を考慮した画像情報ラベリング
池垣 隼介; 清野 駿; 周 子楷; 若林 啓; 竹内 誉羽
第16回データ工学と情報マネジメントに関するフォーラム(DEIM2024)/2024-02-28--2024-03-05 - Pragmatic Approach to Automatic Topic Labeling with Zero-shot Classification
Zikai ZHOU; 若林 啓
第16回データ工学と情報マネジメントに関するフォーラム(DEIM2024)/2024-02-28--2024-03-05 - COVID-19流行期における大学生のX上の投稿と主観的幸福感の関係：2年間の調査と言語特徴分析による検討
蔡 丹萌; 若林 啓; 叶 少瑜
第16回データ工学と情報マネジメントに関するフォーラム(DEIM2024)/2024-03-04--2024-03-05 - Identifying social media language impacting subjective well-being: An analysis using public posts collected from X
Cai Danmeng; Wakabayashi Kei; Ye Shaoyu
JSET Spring National Conference in 2024/2024-03-02--2024-03-03 - 「モバイル×ソーシャル時代」のSNS使用と幸福感等について：コロナ禍2年目～4年目の比較を通じて
叶 少瑜; 照山絢子; 若林 啓; 福沢 愛; 舘 秀典
2023年 社会情報学会(SSI)学会大会/2023-09-16--2023-09-17 - Exploring the Impact of Syntactic Structure Information on Unknown Entity Recognition in Transformer-based Natural Language Understanding
Yang Rui; Javar Farnoosh; Wakabayashi Kei; Takeuchi Johane
The 13th International Conference on Smart Computing and Artificial Intelligence/2023-07-08--2023-07-13 - more...
- Causal relationship between university students' personality traits and tweets/retweets: Examination through longitudinal survey
- Intellectural property rights
- 言語処理装置、言語処理方法、およびプログラム
若林 啓
- 言語処理装置、言語処理方法、およびプログラム
- Teaching
2025-10 -- 2026-02 Thematic Studies I-1 University of Tsukuba. 2025-04 -- 2025-08 Thematic Studies I-1 University of Tsukuba. 2025-04 -- 2025-07 Mathematics for Informatics A University of Tsukuba. 2025-04 -- 2025-07 Frontier of Informatics Research University of Tsukuba. 2025-10 -- 2026-02 Research Instruction University of Tsukuba. 2025-05 -- 2025-08 Database Systems I University of Tsukuba. 2025-07 -- 2025-08 Survey and Data Analysis University of Tsukuba. 2025-07 -- 2025-08 Practical Seminar A University of Tsukuba. 2025-10 -- 2026-02 MDA Special Exercise for Top-level Human Resource Development University of Tsukuba. 2025-04 -- 2025-08 MDA Special Exercise for Top-level Human Resource Development University of Tsukuba. more... - Talks
- 国際会議 EMNLP 2016 参加報告
若林 啓
第229回自然言語処理研究会/2016-12-21--2016-12-22 - ICDE 2015 国際会議報告
若林 啓
第22回先端的データベースとWeb技術動向講演会(ACM SIGMOD 日本支部第59回支部大会)/2015-06-13--2015-06-13
- 国際会議 EMNLP 2016 参加報告
- Professional activities
2025-04 -- 2027-03 The Institute of Electronics, Information and Communication Enineers (IEICE) データ工学研究会幹事補佐 2023-10 -- 2025-09 Information Processing Society of Japan 論文誌データベース編集委員会幹事補佐 2023-09 -- 2027-08 THE ASSOCIATION FOR NATURAL LANGUAGE PROCESSING 会誌編集委員会編集委員 2023-04 -- 2023-09 Information Processing Society of Japan 論文誌データベース編集委員会編集委員 2023-04 -- 2025-03 Information Processing Society of Japan データベースシステム研究会運営委員 2022-04 -- 2023-05 電子情報通信学会 英文誌データ工学と情報マネジメント小特集号編集副委員長 2020-04 -- 2023-03 Information Processing Society of Japan 情報処理学会データベースシステム研究会幹事 2017-04 -- 2022-03 電子情報通信学会 英文誌データ工学と情報マネジメント小特集号編集委員 2018-04 -- 2022-03 情報処理学会 会誌編集委員会専門委員会（会員サービス分野/MWG）編集委員 2018-04 -- 2022-03 情報処理学会 論文誌データベース編集委員会編集委員 more... - University Management
2025-04 -- (current) 情報メディア創成学類教学マネジメント委員会 委員 2023-04 -- (current) 利益相反委員 委員 2021-04 -- (current) 情報学学位プログラム教育委員会 教育課程グループ委員 2020-04 -- 2025-03 情報メディア創成学類入試委員会 委員 2016-10 -- 2022-03 enPiT実施委員会 実施委員 2013-04 -- 2016-03 図書館情報メディア研究科専攻入試委員会 専攻入試グループ委員 2016-04 -- 2019-12 知識情報・図書館学類入試広報委員会 入試グループ委員 2014-04 -- 2016-03 知識情報・図書館学類教育委員会 実習用サーバ管理グループ委員 2013-04 -- 2014-03 知識情報・図書館学類入試広報委員会 広報グループ委員 2012-04 -- (current) 図書館情報メディア系教育研究環境支援委員会 情報システム管理グループ委員
(Last updated: 2026-06-04)