Professor Takashi Hashimoto's speech at SELF-AWARENESS, CREATIVITY, AND LANGUAGE IN ARTIFICIAL AND NATURAL SYSTEMS (2025/3/26, Komaba Campus, University of Tokyo). The title was CREATIVE ASPECTS OF LINGUISTIC COMMUNICATION (Takashi Hashimoto). [2025/3/31]

Ryusei Naka (M1) presented a poster at the 29th Kansai Conference of the Japan Association for Evolutionary Economics (2025/3/22-23, Senriyama Campus, Kansai University). The title was "Elucidation of the Process and Mechanism of Isolation with Loneliness - Focusing on the Mind Seeking Connection and Freedom" (Ryusei Naka, Takashi Hashimoto). Professor Hashimoto also commented on a planned session entitled "Creative Evolution of the Welfare State and Evolutionary Capacity." [31 Mar 2025].

Ibuki Iwamura (M2) gave an oral presentation at the 31st Annual Conference of The Association for Natural Language Processing (NLP2025) (2025/03/10-14). The title was "Cultural Evolution of Syntactic Alternation Based on Conceptualisation of Bilateral Relations (Ibuki Iwamura & Takashi Hashimoto)" [slide] [2025/03/15].

Takeru Furukawa (M2) gave an oral presentation at the 4th Annual Conference of the Society for Computational Social Science of Japan (2025/2/16-18, University of Tsukuba, Tokyo Campus & Online). The title was "An Empirical Study of Narratives Evoking Action: A Text Mining Analysis of Crowdfunding" (Takeru Furukawa, Takashi Hashimoto).[2025/2/17]

The 11th Knowledge Co-Creation Forum will be held in Kanazawa, 2025/3/20 (Thu), JAIST Kanazawa Ekimae Office. The deadline for presentation applications is 2025/2/17.
The invited lecture and discussion will be delivered by Professor Toru Hirata, a collaborator who was mentored by the late Professor Ikujiro Nonaka—one of the founders of knowledge science—who passed away on January 25. Professor Hirata will reflect on Professor Nonaka's achievements and discuss the future development of knowledge science. [2025/1/23]

The deadline for presentation applications has been extended to Mon 24 February.

The following four students made master's thesis presentations on 2025/2/12.[2025/2/15]

Kasano Junki "An Empirical Study on the Effect of Recursive Binding on Guess Diversification"

Ibuki Iwamura "Cultural Evolutionary Simulation of Syntactic Alternation Based on the Conceptualization of Bilateral Relations"

Takeru Furukawa "An Empirical Study of Narratives Mediating between Individuals and Groups: A Text Mining Analysis of Crowdfunding"

Minowa Akira "An Empirical Study of Intention Interpretation based on Relevance Theory: the Relationship between Cognitive Effects, Cognitive Load, and Interpretation."

The paper by Kazuki Matsui (D3) and Professor Takashi Hashimoto "The methodology for identifying factors contributing to the acceptance of behavioral change-led policies: the case of stay-at-home requests during the COVID-19 pandemic in Japan" was presented at Evolutionary and Institutional Economics Review. [2025/1/30] 

Akira Minowa (M2), Takeru Furukawa (M2), and Ryusei Naka (M1) presented posters at the 17th Conference of the Human Behavior and Evolution Society Japan (2024/12/7-8, Hiroshima Shudo University & online).[2024/12/12]

An Empirical Study of Intention Interpretation based on relevance theory: the Relationship between Cognitive Effects, Cognitive Load and Interpretation. (Akira Minowa, Takashi Hashimoto).

What does it mean that "stories move people" - An empirical study based on text data analysis (Takeru Furukawa, Takashi Hashimoto)

Proposal of a model to elucidate the mechanism of isolation caused by the mind seeking connection and freedom (Research plan) (Ryusei Naka, Takashi Hashimoto, Takashi Sato (The National Institute of Technology, Okinawa College))

Mr Shinto Izaki, a fourth-year student of the Information Science Major, Faculty of Science and Engineering, Yamato University, came to the Hashimoto Lab as an intern from 28 Oct - 28 Nov. He proposed the concept of 'Awe Knowing' and conducted a relative survey.[2024/11/28]

Akira Minowa (M2) presented a poster at the The 41st Annual Meeting of Japanese Cognitive Science Society (2024/10/12-14, University of Tokyo). The title was "An Empirical Study of the Effects of Cognitive Effects and Cognitive Load on the Interpretation of Speech Intention Interpretation" (Akira Minowa, Takashi Hashimoto) [2024/10/16].

Assistant Professor Shun Kurokawa has been promoted to Associate Professor in the Wakamiya Laboratory, Department of Bioinformatic Engineering, Graduate School of Information Science & Technology, Osaka University, from 1 Oct 2024. Congratulations! [2024/10/1]

Professor Takashi Hashimoto gave a presentation at the 25th Conference of the Japanese Cognitive Linguistics Association (2024/9/7-8, Kobe University & online) at a symposium on 'Exploring the foundations of language: developmental and evolutionary perspectives' with Nobuo Saji (Waseda University), Harumi Kobayashi (Tokyo Denki University) and Mutsumi Imai (Keio University).Sources.The title of the lecture was 'What Does Biological and Cultural Evolution Have to Do with Human Language and Communication' [2024/9/17].

Huang Wenlian (D1) presented a poster at the 25th Conference of the Japanese Cognitive Linguistics Association (2024/9/7-8, Kobe University & online). The poster title was 'Image Schema Analysis of the Homomorphic Polysemous Verbs 'Up (Agaru)' and 'Up (Shàng)': Differences in Grasping the Situation' (Huang Wenlian, Takashi Hashimoto) [2024/9/17].

Ms Mizuki Yamauchi, a fourth-year student of the Department of  Mechanical Engineering, Tokyo College, National Institute of Technology, came to the Hashimoto Lab from 26 Aug to 6 Sep as an internship student. She researched simulation of language evolution, surveyed original papers, made follow-up examinations and original research, and presented the results on 6 Sep. [2024/9/10] 

Assistant Professor Shun Kurokawa has received the Japanese Ethology Society Award for his 'Theoretical study on the comparison between the evolution of harassing behavior and the evolution of altruistic behavior'! The award ceremony and speech will be held at the 43rd Congress from 2 - 4 November 2024 at the Tokyo West Campus of Teikyo University of Science in Uenohara, Yamanashi Prefecture. [31 Aug 2024]

Qin Mujun (M2) gave a presentation at the 65th Annual Meeting of the Japanese Society of Social Psychology (2024/8/31-9/1, online). The title is "Can alienation arising from individual and group unmatch be accepted?" (Qin Mujun, Takashi Hashimoto) [2024/8/25].

Assistant Professor Shun Kurokawa gave a poster presentation at The 26th Annual Meeting of Society for Evolutionary Studies (2024/8/21-24, Tokai University). The title was "Successful conditional altruistic strategies and successful conditional spiteful strategies are different: A mathematical analysis of repeated games'.(For more details, click on the image to see the paper) [2024/8/24].

On 2024/8/19, QIN Mujun presented her master's thesis entitled 'Unmatching individual and group narratives from the perspective of alienation: the effect of accepting alienation through autobiographical memories' for the final examination. Congratulations on her successful passing! [2024/08/23]

Kazuki Matsui (D3, Tokyo Satellite) has been selected as a receiver of The Foundation of the Global Life Learning Center's PhD Support Programme for 2023. His research topic is "Construction of a social simulation model for EBPM focusing on the cognitive mechanisms of relationships with others." Congratulations![2024/07/01]

New M1 students, Ryusei Naka, Tomu Nakamura, Yoshiyuki Matsuzaki, and Zibin Wang, have been assigned. [2024/06/28]

Professor Hashimoto will give an invited speech at the 260th Natural Language Processing Research Presentation (2024/6/28-29, JAIST Kanazawa Office + online). The title is "Constitutive theory of language evolution: how do properties specific to human languages arise?"[2024/06/25]

Ryusei Naka (M1) gave an oral presentation titled "Dissolving isolation based on interval coordination of guiding isolated persons to a third place by an outreach on a social interaction model" (Ryusei Naka, Takashi Sato (National Institute of Technology, Okinawa College), Takashi Hashimoto) at MPS148 & BIO78 (2024/6/20-22, Okinawa Institute of Science and Technology).[2024/06/21]

Assistant Professor Shun Kurokawa's paper was accepted in Theoretical Population Biology. The title is "Persistence in repeated games encourages the evolution of spite." [2024/6/4]

We held the following seminar on May 22nd Fri. [2024/5/22]

• Title: The power of inhibition for collective decision making in minimalistic robot swarms

• Speaker: Andreagiovanni Reina
  Centre for the Advanced Study of Collective Behaviour, Max Planck Institute & Uni-Konstanz

• Website: https://www.giovannireina.com

• Date and Time; 2024/5/24 Fri 16:00-17:00

• Place: KS Collabo 2 (5th floor, KS 2nd bldg) & Zoom

• Abstract & Bio

Ibuki IWAMURA（M2）presented a poster at the International Conference on the Evolution of Language (Evolang XV)（2024/5/18-21, Madison, USA) on 19 May. The presentation title was Compositionality as one of the enabling factors to communicate conceptualized meaning (Ibuki Iwamura, Hayate Funakura, Takashi Hashimoto) [2024/5/22]

The following coauthored paper by Professor Hashimoto and members of OBOG has been published. [2024/4/15]

• "Generativity and Knowledge Management among Nuclear Power Plant Staff in Decommissioning Process" Shigeto KOBAYASHI（our PhD Graduate at 2008, Associate Professor, Sapporo City University）, Yasuyoshi TARUTA（our PhD Graduate at 2016, Research Associate, Japan Atomic Energy Agency）, Qiao ZHAO（our PhD Graduate at 2018, Representative, Generativity）, Takashi HASHIMOTO, 『Oukan』, 18: 1, pp.26-36.

On 13 April, members went for a cherry blossom viewing walk along the banks of the Tetori River, overlooking the Hakusan Mountains. [2024/4/13]