WAKABAYASHI Kei

Affiliation
Institute of Library, Information and Media Science
Official title
Associate Professor
URL
Research fields
Web informatics, Service informatics
Statistical science
Intelligent informatics
Research keywords
Computational Evolutionary Linguistics
Social Media Analysis
Dialog System
Machine Learning
Statistical Natural Language Processing
Research projects
Technical Infrastructure for Rapid Construction of Controllable Conversational AI2022-04 -- 2025-03WAKABAYASHI KeiJapan 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 Intelligence2021-04 -- 2025-03Matsubara MasakiJapan 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 -- 2025-03YE ShaoyuJapan 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 Learning2019-04 -- 2023-03Kei WAKABAYASHIJapan Society for the Promotion of Science/Grant-in-Aid for Early-Career Scientists4,290,000Yen
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 -- 2021-03YE ShaoyuTelecommunications Advancement Foundation/Research Grant2,900,000Yen
Research on interaction between social capital growth and user's information behavior2016-04 -- 2020-03SATOH TetsujiJapan 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 Media2013-04 -- 2016-0325280110Japan Society for the Promotion of Science/Grant-in-Aid for Scientific Research (B)15,600,000Yen
A collaborative environment for bustling e-learning2013-04 -- 2016-03SATOH TetsujiJapan Society for the Promotion of Science/Grant-in-Aid for Challenging Exploratory Research3,770,000Yen
Establishing Equivalent Transformation from Syntactic Parsing Models to Hierarchical Probabilistic Automaton2012-08 -- 2014-03WAKABAYASHI KeiJapan Society for the Promotion of Science/Grant-in-Aid for Research Activity Start-up2,990,000Yen
Career history
2020-01 -- (current)University of TsukubaFaculty of Library, Information and Media ScienceAssociate Professor
2012-04 -- 2019-12University of TsukubaFaculty of Library, Information and Media ScienceAssistant Professor
Degree
2012-03Ph.D. in EngineeringHosei 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
2023-07JSAI Annual Conference AwardEffectiveness of Joint Attention in Deep Learning for Generating Language Describing Actions
2022-06ACM Web Science Conference 2022 Best Paper CandidateHAEM: Obtaining Higher-Quality Classification Task Results with AI workers
2022-06DBSJ Journal 2021 Best Paper AwardTask Result Quality Management through Interactions in Human+AI Crowd
2021-03DEIM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
2018-07International Journal of Web Information Systems 2018 Outstanding PaperTwitter user growth analysis based on diversities in posting activities
2016-11iiWAS2016 Best Paper AwardWho are Growth Users?: Analyzing and Predicting Intended Twitter User Growth
2015-11WebDB 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
2014-03DEIM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
  • 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
    The 3rd World Conference on eXplainable Artificial Intelligence, 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, 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, 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, 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
  • Keyphrase-based Refinement Functions for Efficient Improvement on Document-Topic Association in Human-in-the-Loop Topic Models
    Khan Muhammad Haseeb UR Rehman; Wakabayashi Kei
    Journal of Information Processing/31/pp.353-364, 2023-05
  • Relationship between university students' emotional expression on tweets and subjective well-being: Considering the effects of their self-presentation and online communication skills
    Ye Shaoyu; Ho K. W. Kevin; Wakabayashi Kei; Kato Yuuki
    BMC Public Health/23(594), 2023-03
  • Causal relationship between university students' personality traits and tweets/retweets: Examination through longitudinal survey
    叶 少瑜; 若林 啓
    IEICE Technical Report/122(413)/pp.94-99, 2023-03
  • FPGAを用いたガソリンエンジンの最適点火エネルギー予測のためのリアルタイムモデル推定
    大畠 英一郎; 伊藤 寛祥; 若林 啓; 森嶋 厚行
    情報処理学会論文誌データベース(TOD)/16(1)/pp.26-40, 2023-01
  • more...
Books
Conference, etc.
  • 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
  • Hybrid Crowd-AI Learning for Human-Interpretable Symbolic Rules in Image Classification
    Shimizu Ayame; Wakabayashi Kei; Matsubara Masaki; Ito Hi...
    The 13th International Conference on Smart Computing and Artificial Intelligence/2023-07-08--2023-07-13
  • HAEM: Obtaining Higher-Quality Classification Task Results with AI workers
    Yamashita Yu; Ito Hiroyoshi; Wakabayashi Kei; Kobayashi ...
    14th ACM Web Science Conference 2022 (WebSci’22)/2022-06-26--2022-06-29
  • 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/2023-06-06--2023-06-09
  • 対話型連歌システムにおける文脈を考慮した句の返答手法の検討
    西村 純; 若林 啓; 綿抜 豊昭
    第３６回人工知能学会全国大会/2022-06-14--2022-06-17
  • 「モバイル×ソーシャル時代」のSNS使用と幸福感等について：BeforeコロナとWithコロナとの比較を通じて
    叶 少瑜; 照山絢子; 若林啓; 福沢愛
    2022 The Society of Socio-Informatics Annual Meeting/2022-09-03--2022-09-03
  • Construction of system 2 by human-in-the-loop based on question generation driven by System 1
    清水 綾女; 若林 啓; 松原 正樹; 伊藤 寛祥; 森嶋 厚行
    第３６回人工知能学会全国大会/2022-06-14--2022-06-17
  • Optimization of Multi-level Tokenization for Improving Accuracy of Downstream Tasks
    小田倉 史麿; 若林 啓
    第３６回人工知能学会全国大会/2022-06-14--2022-06-17
  • more...
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
Teaching
2024-07 -- 2024-08Practical Seminar AUniversity of Tsukuba.
2024-04 -- 2024-07Foundation of Data ScienceUniversity of Tsukuba.
2024-10 -- 2024-12Introduction to Content ApplicationUniversity of Tsukuba.
2024-04 -- 2024-07Mathematics for Informatics IUniversity of Tsukuba.
2024-05 -- 2024-08Database Systems IUniversity of Tsukuba.
2024-04 -- 2024-07Mathematics for Informatics AUniversity of Tsukuba.
2024-10 -- 2025-02Research InstructionUniversity of Tsukuba.
2024-04 -- 2024-07Machine Learning and Pattern RecognitionUniversity of Tsukuba.
2024-07 -- 2024-08Survey and Data AnalysisUniversity of Tsukuba.
2023-07 -- 2023-08Practical Seminar AUniversity 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
Professional activities
2023-09 -- 2025-08THE ASSOCIATION FOR NATURAL LANGUAGE PROCESSING会誌編集委員会編集委員
2023-04 -- 2025-03Information Processing Society of Japan論文誌データベース編集委員会編集委員
2023-04 -- 2025-03Information 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 -- 2023-03Information 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 -- (current)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
2018-06 -- 2018-09情報処理学会第１１回Webとデータベースに関するフォーラム実行委員
2017-06 -- 2017-09情報処理学会第１０回Webとデータベースに関するフォーラム実行委員
more...
University Management
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 -- (current)情報メディア創成学類入試委員会委員
2016-10 -- 2022-03enPiT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: 2025-06-05)