Profile

• 2023/10 - present: LY Corporation Research

• 2022/04 - 2023/09: Yahoo! JAPAN Research

• 2018/04 - 2022/03: Japan Society for the Promotion of Science Research Fellow (DC1)

• 2016/03 - 2022/03: Department of Information and Communication Engineering, Graduate School of Information Science and Technology, University of Tokyo

• 2014/04 - 2016/03: School of Informatics, College of Information Science, University of Tsukuba

• 2009/04 - 2014/03: Department of Integrated System Engineering, Kindai University Technical College

Research

• Natural Language Processing (especially Dialogue system and Information extraction)

• Web Mining

• Machine Learning

Hobby

• Drink (especially wine and craft beer)

• Driving

• Lift

• Fishing

• Comic

Contact

• sakasaki [at] lycorp.co.jp

Publications (Journal)

• Daisuke Oba, Shoetsu Sato, Satoshi Akasaki, Naoki Yoshinaga, Masashi Toyoda
  Personal Semantic Variations in Word Meanings: Induction, Application, and Analysis
  Journal of Natural Language Processsing, Volume 27, Number 2, June 2020 (in press)

Publications (International)

• Satoshi Akasaki
  Predicting Cross-lingual Trends in Microblogs
  Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing: Industry Track (EMNLP2025 Industry)

• Satoshi Akasaki, Manabu Sassano
  Detecting Ambiguous Utterances in an Intelligent Assistant
  Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing: Industry Track (EMNLP2024 Industry) [Dataset]

• Satoshi Akasaki, Naoki Yoshinaga, Masashi Toyoda
  Early Discovery of Disappearing Entities in Microblogs
  Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (ACL2023) (Long) [Dataset]

• Satoshi Akasaki, Naoki Yoshinaga, Masashi Toyoda
  Fine-grained Typing of Emerging Entities in Microblogs
  Findings of the Association for Computational Linguistics: EMNLP 2021 (EMNLP2021 Findings) (Long) [Dataset]

• Satoshi Akasaki, Naoki Yoshinaga, Masashi Toyoda
  Early Discovery of Emerging Entities in Microblogs
  Proceedings of the 28th International Joint Conference on Artificial Intelligence (IJCAI2019) [Dataset]

• Satoshi Akasaki, Nobuhiro Kaji
  Conversation Initiation by Diverse News Contents Introduction
  Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL-HLT2019) (Long) [Dataset]

• Daisuke Oba, Shoetsu Sato, Naoki Yoshinaga, Satoshi Akasaki, Masashi Toyoda
  Modeling Personal Biases in Language Use by Inducing Personalized Word Embeddings
  Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL-HLT2019) (Short)

• Daisuke Oba, Shoetsu Sato, Naoki Yoshinaga, Satoshi Akasaki, Masashi Toyoda
  Understanding Interpersonal Variations in Word Meanings via Review Target Identification
  Proceedings of the 20th International Conference on Computational Linguistics and Intelligent Text Processing (CICling2019)

• Satoshi Akasaki, Nobuhiro Kaji
  Chat Detection in an Intelligent Assistant: Combining Task-oriented and Non-task-oriented Spoken Dialogue Systems
  Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (ACL2017) (Long) [Dataset]

Publications (Domestic)

• Satoshi Akasaki, Tatsuo Yamashita
  [MASK]
  Proceedings of the 30th Annual Meeting of the Association for Natural Language Processing (NLP2024)

• Satoshi Akasaki, Manabu Sassano
  Detecting Utterances with Ambiguous Intents in an Intelligent Assistant
  Proceedings of the 29th Annual Meeting of the Association for Natural Language Processing (NLP2023)

• Satoshi Akasaki, Naoki Yoshinaga, Masashi Toyoda
  Detecting Disappearing Entities from Microblogs
  Proceedings of the 28th Annual Meeting of the Association for Natural Language Processing (NLP2022)

• Shin Kanouchi, Satoshi Akasaki, Shintaro Horie, Shuntaro Kogame
  Construction of Capex Chat Corpus and Analysis
  Proceedings of the 28th Annual Meeting of the Association for Natural Language Processing (NLP2022)

• Daisuke Oba, Shoetsu Sato, Satoshi Akasaki, Naoki Yoshinaga, Masashi Toyoda
  Toward the Clarification of the Fluctuation of Word Meaning in Human Language Use
  Proceedings of the 25th Annual Meeting of the Association for Natural Language Processing (NLP2019)

• Daisuke Oba, Naoki Yoshinaga, Satoshi Akasaki, Masashi Toyoda
  Individual Bias in Language Expression based on Five-senses and Its Correction
  The 13th NLP Symposium for Young Researchers (YANS)

• Satoshi Akasaki, Naoki Yoshinaga, Masashi Toyoda
  Discovering Emerging Named Entities from Social Media Stream
  Proceedings of the 32th Annual Meeting of the Association for Artificail Intelligence (JSAI2018)

• Satoshi Akasaki, Naoki Yoshinaga, Masashi Toyoda
  Discovering Diverse Emerging Entities from Social Media Stream
  The 12th NLP Symposium for Young Researchers (YANS)

• Satoshi Akasaki, Nobuhiro Kaji
  Detecting Utterance Intended for Chat in an Intelligent Assistant
  IPSJ Joint Tech of the 231th SIG-NL and the 116th SIG-SLP (SIG-NL/SIG-SLP)

• Satoshi Akasaki, Nobuhiro Kaji
  Chat Detection in an Intelligent Assistant
  Proceedings of the 23th Annual Meeting of the Association for Natural Language Processing (NLP2017)

• Satoshi Akasaki, Naoki Yoshinaga, Masashi Toyoda
  Discovering Emerging Entity by Capturing Emergence and Prevalent Process
  Proceedings of the 9th forum on Data Engineering and Information Management (DEIM2017)

• Satoshi Akasaki, Takashi Inui, Naoki Yoshinaga, Masashi Toyoda
  Detecting Ambiguous Unknown Entity from Text Streams
  The 11th NLP Symposium for Young Researchers (YANS)

• Satoshi Akasaki, Takashi Inui, Mikio Yamamoto
  Novel Sense Detection Using Word Sense Listing Order of Dictionary
  Proceedings of the 23th Annual Meeting of the Association for Natural Language Processing (NLP2016)

• Satoshi Akasaki, Yuma Shiozaki, Takayuki Uda
  Text Mining for Living Comfortability of Nabari city Resident Consciousness Survey
  Genaral Conference 2014 of Institute of Electronics, Information and Communication Engineers (IEICE2014) Student's Poster Session

• Satoshi Akasaki, Yuma Shiozaki, Takayuki Uda
  Factor Analysis for Living Comfortability of Nabari city Resident Consciousness Survey
  19th Technical College Symposium

Publications (Others)

• リアルにどうなる？ 学生たちのものづくり奮闘記（Vol. 2, 5, 11）
  
  
  

Activities

• Capex, Research and development of dialogue systems: 2021/09 - 

• Yahoo! JAPAN Research, Research Intern: 2016/07 - 2021/04

  • Mentor: Nobuhiro Kaji

• Tokyo NLP Study Group for Doctoral Students: 2017 - 2020

• Young Researcher Association for NLP Studies (YANS), Steering commitee: 2019 - 2020

Fellowships

• Japan Society for the Promotion of Science Research Fellow (DC1): 2018/04 - 2022/03

• Toyota/Dwango Scholarship for Advanced Artificial Intelligence Researcher: 2017/04 - 2018/03, 2020/03 - 2021/03

• Japan Student Services Organization Scholership: 2016/04 - 2018/03

Awards

• The 28th Annual Meeting of the Association for Natural Language Processing (NLP2022): Young Scientist Award

  • 12 out of 280 papers

• Japan Student Services Organization: Repayment Exemption of the Scholership (2018)

  • Excellent Grades

• School of Informatics, College of Information Science, University of Tsukuba: Dean of the college's Award (2016)

  • Excellent Academic Award

• Department of Integrated System Engineering, Kindai University Technical College: College Award, President's Award (2014)

  • Excellent Academic Award

Others

• TOEIC Listening & Reading Test: 955 (2013/11)

• Applied Information Technology Engineer (2014/11)