Shohei Tanaka (田中 翔平)

Project Researcher @ OMRON SINIC X, Japan
E-mail: shohei.tanaka[at]sinicx.com

Profile

I am a project researcher at OMRON SINIC X. My research interest lies in natural language processing for dialogue system, multimodal interaction, and robotics. I received my Doctor of Engineering from Nara Institute of Science and Technology in 2023. 2021-2023, Junior Research Associate at Guardian Robot Project, RIKEN. 2019, Best Paper Award, The 1st Workshop NLP for Conversational AI ACL 2019 Workshop (ConvAI).

Education

• Doctor of Engineering, Nara Institute of Science and Technology, Japan, 2023
  Dissertation: Reflective Response of Dialogue System Focusing on User's Event
  Supervisor: Prof. Satoshi Nakamura
• Master of Engineering, Nara Institute of Science and Technology, Japan, 2020
  Thesis: Conversational Response Re-ranking Based on Coherency of Sequential Events
  Supervisor: Prof. Satoshi Nakamura
• Bachelor of Engineering, Nagoya Institute of Technology, Japan, 2018
  Thesis: A Design Methodology of Real-World Universal Voice Interface and its Model Case: "Easy Talk Suhama-Shoten"
  Supervisor: Prof. Akinobu Lee

Work Experience

• Researcher
  
  • Project Researcher, OMRON SINIC X, Japan, April 2023 -- Present
• Research Assistant
  
  • Guardian Robot Project (GRP), RIKEN, Japan, April 2021 -- March 2023
  • Center for Advanced Intelligence Project (AIP), RIKEN, Japan, July 2020 -- March 2021
  • Nara Institute of Science and Technology, Japan, June 2019 -- March 2023
  • PRESTO, Japan Science and Technology Agency, Japan, April 2019 -- June 2020
  • National Institute of Information and Communications Technology (NICT), Japan, November 2018 -- March 2019
• Internships
  
  • rinna Co., Ltd., Japan, September 2022 -- November 2022
  • Signals & Interactive Systems Laboratory of Prof. Giuseppe Riccardi, University of Trento, Italy, April 2022 -- July 2022
  • Fixstars Inc., Japan, February 2018 -- March 2018
  • Nissan Motor Co., Ltd., Japan, August 2016 -- September 2016

Publications

• Referred Journal Papers
  
  • Shohei Tanaka, Konosuke Yamasaki, Akishige Yuguchi, Seiya Kawano, Satoshi Nakamura, Koichiro Yoshino.
    ``Do As I Demand, Not As I Say: A Dataset for Developing Reflective Life-Support Robot"
    IEEE Access, pp. 11774-11784, Volume 12, January, 2024
    
  • Shohei Tanaka, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura.
    ``Reflective Action Selection Based on Positive-Unlabeled Learning and Causality Detection Model"
    Computer Speech & Language (CSL), Volume 78, March 2023
    
  • Shohei Tanaka, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura.
    ``Relationships Between Coherency of Sequential Events and Dialogue Continuity on Conversational Response"
    Transaction of Natural Language Processing (TNLP), pp. 26-59, Number 1, Volume 28, March 2021, In Japanese
    
• Referred Conference Papers
  
  • Seyed Mahed Mousavi, Shohei Tanaka, Gabriel Roccabruna, Koichiro Yoshino, Satoshi Nakamura, Giuseppe Riccardi.
    ``What’s New? Identifying the Unfolding of New Events in a Narrative"
    The 5th Workshop on Narrative Understanding, pp. 1-10, Tronto (Canada), July 2023, Poster
    
  • Shohei Tanaka, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura.
    ``ARTA: Collection and Classification of Ambiguous Requests and Thoughtful Actions"
    The 22nd Annual Meeting of the Special Interest Group on Discourse and Dialogue (SIGDIAL), pp. 77-88, Singapore (Online), July 2021, Oral
    
  • Shohei Tanaka, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura.
    ``Conversational Response Re-ranking Based on Event Causality and Role Factored Tensor Event Embedding"
    The 1st Workshop NLP for Conversational AI ACL 2019 Workshop (ConvAI), pp. 51-59, Florence, Italy, August 2019, Oral & Poster, Best Paper Award
    
• Unreferred Conference Papers
  
  • Shohei Tanaka, Konosuke Yamasaki, Akishige Yuguchi, Seiya Kawano, Satoshi Nakamura, Koichiro Yoshino.
    ``Reflective Action Selection of Dialogue Robot Integrating Ambiguous Requests and Observed Surrounding Situations''
    The 29th Annual Conference of The Association for Natural Language Processing (ANLP), pp. 1377-1382, Okinawa, Japan, March 2023, Oral, In Japanese
    
  • Konosuke Yamasaki, Shohei Tanaka, Seiya Kawano, Akishige Yuguchi, Koichiro Yoshino.
    ``Action Selection of Reflective Domestic Robot Based on Commonsense Inference''
    The 29th Annual Conference of The Association for Natural Language Processing (ANLP), pp. 3105-3110, Okinawa, Japan, March 2023, Poster, In Japanese
    
  • Konosuke Yamasaki, Shohei Tanaka, Seiya Kawano, Akishige Yuguchi, Koichiro Yoshino.
    ``Towards Action Selection of Reflective Domestic Robot Based on Commonsense Inference''
    The 96th Workshop of Special Interest Group on Spoken Language Understanding and Dialogue Processing (SIGSLUD), Tokyo, Japan, December 2022, Poster, In Japanese
    
  • Shohei Tanaka, Akishige Yuguchi, Seiya Kawano, Satoshi Nakamura, Koichiro Yoshino.
    ``Dataset Collection of Ambiguous User Requests and Its Surrounding Situations for Developing Reflective Domestic Robot''
    The 253rd Workshop of Special Interest Group on Natural Language (SIGNL), Kyoto (Online), Japan, September 2022, Oral, In Japanese
    
  • Shohei Tanaka, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura.
    ``Selecting Reflective System Action to Ambiguous User Requests Using Causality Knowledge''
    The 28th Annual Conference of The Association for Natural Language Processing (ANLP), pp. 1084-1089, Shizuoka (Online), Japan, March 2022, Oral, In Japanese
    
  • Shohei Tanaka, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura.
    ``Collection and Classification of A Dialogue Corpus Including Ambiguous Requests and Thoughtful Actions''
    The 27th Annual Conference of The Association for Natural Language Processing (ANLP), pp. 359-364, Fukuoka (Online), Japan, March 2021, Poster, In Japanese
    
  • Shohei Tanaka, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura.
    ``Collecting Corpus Including Smart Responses Focusing on Functions of Dialogue Agent''
    The 90th Workshop of Special Interest Group on Spoken Language Understanding and Dialogue Processing (SIGSLUD), Tokyo (Online), Japan, November 2020, Poster, Young Sprout Award, In Japanese
    
  • Shohei Tanaka, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura.
    ``Case Analysis for Conversational Response Re-ranking Based on Coherency of Sequential Events''
    The 26th Annual Conference of The Association for Natural Language Processing (ANLP), pp. 1316-1319, Ibaraki (Online), Japan, March 2020, Poster, In Japanese
    
  • Shohei Tanaka, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura.
    ``Conversational Response Selection Model Based on Event Coherency Estimation''
    The 87th Workshop of Special Interest Group on Spoken Language Understanding and Dialogue Processing (SIGSLUD), Tokyo, Japan, December 2019, Poster, In Japanese
    
  • Shohei Tanaka, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura.
    ``Analysis of Conversational Response Re-ranking Based on Event Causality and Role Factored Tensor Event Embedding''
    The 241st Workshop of Special Interest Group on Natural Language (SIGNL), Hokkaido, Japan, August 2019, Oral, In Japanese
    
  • Shohei Tanaka, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura.
    ``Incorporating Event Causality to Re-ranking for Conversational Dialogue Responses and its Evaluation"
    The 25th Annual Conference of The Association for Natural Language Processing (ANLP), pp. 1026-1029, Nagoya, Japan, March 2019, Oral, In Japanese
    
  • Shohei Tanaka, Koichiro Yoshino, Katsuhito Sudoh, Satoshi Nakamura.
    ``Incorporating Event Causality to Re-ranking for Conversational Dialogue Responses''
    The 84th Workshop of Special Interest Group on Spoken Language Understanding and Dialogue Processing (SIGSLUD), Tokyo, Japan, November 2018, Poster, In Japanese
    

Awards

• Exemption from Scholarship Refund for Excellent Student, Japan Student Services Organization (JASSO) Type I Scholarship for Doctor Student, 4,392,000 JPY, 2023
• Accept of Erasmus+ International Credit Mobility (ICM) Program, Study Abroad Support Fund, 3,145 EUR, 2022
• Young Sprout Award, The 90th Workshop of Special Interest Group on Spoken Language Understanding and Dialogue Processing (SIGSLUD), 2020
• Exemption from Scholarship Refund for Excellent Student, Japan Student Services Organization (JASSO) Type I Scholarship for Master Student, 2,112,000 JPY, 2020
• Accept of NAIST Top Scholarship Program, Nara Institue of Science and Technology, 2020
• Best Paper Award, The 1st Workshop NLP for Conversational AI ACL 2019 Workshop (ConvAI), 2019
• Scond Prize, Freestyle, App Development, NEXT COMMUNICATION AWARDS 2017 (Japanese Smartphone Application Contest), 2017

Works

Easy Talk Suhama-Shoten（しゃべってらくらく 洲浜商店）, 2017

Suhama-Shoten is a spoken dialogue system to help elderly people with shopping. Users can order items by only talking with a character. The system runs on a smartphone. Slides (in Japanese)