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Combined feed of papers, talks, columns, preprints, awards, grants, and lab news — newest first (100 items).

2026-08-18 PAPER

Gendered cultural discourse in Japan across the prewar–postwar transition: evidence from historical word embeddings

Sakai, S., Kwak, H., An, J. & Matsui, A. · EPJ Data Science
2026-08-10 PAPER

Modeling user redemption behavior in complex digital incentive environment: an empirical study using large-scale transactional data

Matsui, A., Teramoto, T., Motohashi, E. & Tsurumi, H. · EPJ Data Science
2026-08-05 TALK

Panel Discussion: “Stances Toward the ‘A’”

PLIJ Summer Camp 2026: Thinking About the “A” in STEAM
2026-08-04 TALK

How Computation and Data Open Up Computational Social Science: The Challenge of Kobe University's CCSS

PLIJ Summer Camp 2026: Thinking About the “A” in STEAM
2026-07 MISC

Return of the solo author: The changing division of labor in science in the age of generative AI

Matsui, A.
2026-07-04 SERVICE

The 4th Science of Science Workshop

Organizer · Moderator and Panelist · Akira Matsui
2026-06-08 SERVICE

JSAI Annual Conference (40th): Early-Career Networking Session — Learning the Research Process from Failures

Organizer · Moderator and Panelist · Akira Matsui
2026-06-08 SERVICE

JSAI Annual Conference (40th): Early-Career Networking Lunch

Organizer · Moderator and Panelist · Akira Matsui
2026-05 MISC

Series “Reading the Economy through ‘Connections’: Network Science,” Vol. 8 — Temporally Evolving Networks

Kobayashi, T. & Matsui, A. · Keizai Seminar
2026-05-25 PAPER

Cross-Platform and Cross-Lingual Dynamics of Wikipedia Sharing and Contribution

Matsui, A. · Proceedings of the International AAAI Conference on Web and Social Media
2026-05-22 TALK

The Shape of Knowledge in Each Language, as Seen Through Wikipedia

MEXT and National University-Affiliated Research Institutes and Centers: Regular Lunch Meeting, No. 150 — Center for Computational Social Science, Kobe University
2026-03 MISC

Series “Reading the Economy through ‘Connections’: Network Science,” Vol. 7 — Propagation Phenomena on Networks

Kobayashi, T. & Matsui, A. · Keizai Seminar
2026-03-24 PAPER

Disruptive transformation of artworks in master-disciple relationships: the case of Ukiyo-e artworks

Honna, S. & Matsui, A. · EPJ Data Science
2026-01 MISC

Series “Reading the Economy through ‘Connections’: Network Science,” Vol. 6 — Graph Partitioning and Community Detection (2)

Kobayashi, T. & Matsui, A. · Keizai Seminar
2025-12-20 TALK

Global Patterns of Knowledge: Language, Genre, and the Geography of Knowledge

CCSS Workshop on Computational SocialScience: Simulation + Data Science + Networks
2025-12-14 TALK

Analyzing Scientists' Behavior with the Science of Science

The 16th Conference of the Transdisciplinary Federation of Science and Technology
2025-12-08 SERVICE

International Workshop on Conspiracy Theory and Misinfomation

Organizer · Moderator and Panelist · Akira Matsui
2025-12-08 TALK

Uncovering Knowledge Production Modes: Geopolitical Biases in Wikipedia's Fundamental Data

International Workshop on Conspiracy Theory and Misinformation
2025-11 MISC

Series “Reading the Economy through ‘Connections’: Network Science,” Vol. 5 — Graph Partitioning and Community Detection (1)

Kobayashi, T. & Matsui, A. · Keizai Seminar
2025-11-30 SERVICE

Workshop “Conspiracy Theories and Media Coverage” (Host and Organizing Lead)

Organizer · Akira Matsui
2025-10 MISC

Quantifying Gender Stereotypes in Japan between 1900 and 1999 with Word Embeddings

Sakai, S., Kwak, H., An, J. & Matsui, A.
2025-09 MISC

User Exploration and Exploitation Behavior Under the Influence of Real-time Interactions in Live Streaming Environments

Matsui, A., Fujikawa, K., Sasaki, R. & Adachi, R.
2025-09 MISC

Data-driven Methods of Extracting Text Structure and Information Transfer

Honna, S., Murayama, T. & Matsui, A.
2025-09 MISC

Series “Reading the Economy through ‘Connections’: Network Science,” Vol. 4 — Generalized Random Networks

Kobayashi, T. & Matsui, A. · Keizai Seminar
2025-08-01 LAB

Joined the Diversity and Inclusion Promotion Committee of the Japanese Society for AI
2025-07 BOOK

Science of Science

Author · Morikita Publishing
2025-07 MISC

Series “Reading the Economy through ‘Connections’: Network Science,” Vol. 3 — Reproducing Degree Distributions and Network Generative Models

Kobayashi, T. & Matsui, A. · Keizai Seminar
2025-07-29 MISC

Global Patterns of Knowledge: Language, Genre, and the Geography of Knowledge

Matsui, A., Toriumi, F., Yoshida, M., et al. · arXiv
2025-07-24 TALK

Staying Streamed: The Impact of Loyalty and Diversity in Driving User Retention on Live Streaming Platforms

The International Conference for Computational Social Science
2025-07-22 TALK

Global Editing Patterns on Wikipedia Platform Reveal Segmentations in Knowledge Production

The International Conference for Computational Social Science
2025-05 MISC

Series “Reading the Economy through ‘Connections’: Network Science,” Vol. 2 — Two Features Hidden in the Structure of Connections: Small-World and Clustering Properties

Kobayashi, T., Matsui, A. · Keizai Seminar
2025-04-21 MISC

The "recognition", "belief", and "action" regarding conspiracy theories: An empirical study using large-scale samples from the United States and Japan

Tanihara, T., Murayama, T., Lim, D. & Matsui, A. · arXiv
2025-04-01 GRANT

Elucidating Substitution and Complementarity Considering the Two-Sided Structure of the Coalition Loyalty Program Market

Co-investigator · JSPS Grant-in-Aid for Scientific Research (B) · 2025-04 – 2029-03
2025-04-01 LAB

Matsui Lab launched at Kobe University CSSRC

Akira joined the Computational Social Science Research Center as Lecturer.
2025-03 MISC

Series “Reading the Economy through ‘Connections’: Network Science,” Vol. 1 — What Is “Network Science”?

Kobayashi, T. & Matsui, A. · Keizai Seminar
2025-03-25 TALK

Computational Social Science Beyond Twitter (X): The Frontier of Computational Social Science at the Interface of Information and Communication Technology and the Social Sciences

IEICE General Conference
2025-03-11 TALK

A Data-Driven Method for Extracting Text Structure and Information Transmission

The 31st Annual Meeting of the Association for Natural Language Processing
2025-02-26 TALK

Analyzing the Effect of Musical Elements on Diffusion on TikTok

The 4th Annual Conference of the Japan Association for Computational Social Science (CSSJ2025)
2025-02-19 TALK

Cross-Language Comparison of Editing Patterns on Wikipedia

The 4th Annual Conference of the Japan Association for Computational Social Science (CSSJ2025)
2025-02-18 TALK

The impact of loyalty and diversity on user behavior in live streaming platform

The 4th Annual Conference of the Japan Association for Computational Social Science (CSSJ2025)
2025-02-16 TALK

Analysis of Text Messages Attached to Money Transfers in a Payment App

The 4th Annual Conference of the Japan Association for Computational Social Science (CSSJ2025)
2024 AWARD

Outstanding Paper Award, 3rd Computational Social Science Conference — Quantitative Analysis of Japanese Art Using Network Analysis: Changes in the Creativity of Ukiyo-e

Japan Association for Computational Social Science
2024 MISC

“Citations” That Are Not Cited

Keizai Seminar (Nippon Hyoron Sha)
2024 MISC

Conference Report: IC2S2 2023

Akira Matsui · Bulletin of the Japan Association for Computational Social Science
2024-12 PAPER

Word embedding for social sciences: an interdisciplinary survey

Matsui, A. & Ferrara, E. · PeerJ Computer Science
2024-11-07 TALK

User Behavior on Live-Streaming Platforms: Exploration, Exploitation, and Emotional Experience

Analytical Marketing Research Group Seminar
2024-10-19 PAPER

The impact of the internationalization of political science on publishing in two languages: the case of Japan, 1971–2023

Nishikawa, M., Sakai, D. & Matsui, A. · Scientometrics
2024-10-16 TALK

Throw Your Hat in the Ring (of Wikipedia): Exploring Urban-Rural Disparities in Local Politicians' Information Supply

Wikimedia Research/Showcase
2024-09-11 TALK

Analysis of Loyalty Programs: The Effect of Rewards Considering the Presence or Absence of Effort

Marketing Special Session, 52nd Annual Meeting of the Behaviormetric Society of Japan
2024-09-09 TALK

A Study on Information Supply on Wikipedia

Academic Center for Computing and Media Studies Seminar: “Web Informatics Today”
2024-08-01 PAPER

Extracting Official Agencies’ Communication Patterns During the COVID-19 Pandemic: A Text Mining Approach

Salama, S., Matsui, A. & Kamihigashi, T. · Proceedings of the Third International Conference on Innovations in Computing Research (ICR’24)
2024-07-19 TALK

Balancing Act: The Dual Pathways of Exploitation and Exploration in Live Streaming

The International Conference for Computational Social Science
2024-07-18 TALK

Behind the screens of fandom: Unraveling the threads of online platform.

The International Conference for Computational Social Science
2024-06 PAPER

Hater Is Not the Only Source of Toxic Communication Online, But Also Fan

Matsui, A., Murayama, T. & Yoshida, M. · ICWSM 2024 Workshop : The 5th International Workshop on Cyber Social Threats (CySoc 2024)
2024-06-09 TALK

Purchase Behavior and Loyalty Programs: Analyzing the Effect of Rewards Considering the Presence or Absence of Effort

The 115th Conference of the Japan Marketing Science Society
2024-05-28 PAPER

Throw Your Hat in the Ring (of Wikipedia): Exploring Urban-Rural Disparities in Local Politicians' Information Supply

Matsui, A., Miyazaki, K. & Murayama, T. · Proceedings of the International AAAI Conference on Web and Social Media (ICWSM)
2024-04-01 GRANT

A Comprehensive Reexamination of Research in Japan: Analyzing Research Portfolios through the Science of Science

Principal Investigator · JSPS Grant-in-Aid for Early-Career Scientists · 2024-04 – 2027-03
2023 MISC

Consequences of Shutting Down Illegal Ad-Hosting Sites

Keizai Seminar (Nippon Hyoron Sha)
2023 MISC

Changes in Interest in Food During the COVID-19 Pandemic

Keizai Seminar (Nippon Hyoron Sha)
2023 TALK

Computational framework of ast model reveals mechanism of knowledge accumulation.

The International Conference for Computational Social Science
2023-12-27 TALK

The Two-Sided Nature of Online Platforms

CCSS Workshop on Computational Social Science
2023-12-03 TALK

Measuring the Effect of My Number Points Using Household Account Book Data

The 114th Conference of the Japan Marketing Science Society
2023-07 TALK

Exploring urban-rural disparities in the production of politicians’ information.

The International Conference for Computational Social Science
2023-06-02 PAPER

The Chance of Winning Election Impacts on Social Media Strategy

Murayama, T., Matsui, A., Miyazaki, K., et al. · Proceedings of the International AAAI Conference on Web and Social Media (ICWSM)
2023-04-30 PAPER

Political Honeymoon Effect on Social Media: Characterizing Social Media Reaction to the Changes of Prime Minister in Japan

Miyazaki, K., Murayama, T., Matsui, A., et al. · Proceedings of the 15th ACM Web Science Conference 2023
2023-04-01 GRANT

Identifying Pathways into Conspiracy Theories and Developing a Framework to Prevent People's Commitment to Them

Co-investigator · JST RISTEX Program for Co-creative Research and Development toward Achieving the SDGs · 2023-11 – 2027-03
2023-03-29 PAPER

Hybrid forecasting of geopolitical events <sup>†</sup>

Benjamin, D. M., Morstatter, F., Abbas, A. E., et al. · AI Magazine
2022 SERVICE

Web and Social Media Paper Reading Group

Organizer
2022 MISC

How a “Hot Streak” Begins

Keizai Seminar (Nippon Hyoron Sha)
2022 MISC

Approaching the Cultural Evolution of “Love”

Keizai Seminar (Nippon Hyoron Sha)
2022 MISC

Exploring the Inner Mind Through Words

Keizai Seminar (Nippon Hyoron Sha)
2022 MISC

Special Feature “Challenges of Computational Social Science”: Moderator of the Roundtable Discussion

Keizai Seminar (Nippon Hyoron Sha)
2022-06-20 MISC

Extracting Fast and Slow: User-Action Embedding with Inter-temporal Information

Matsui, A. & Ferrara, E. · arXiv
2022-04-01 GRANT

Science of Science in Japan: Analyzing the Effect of Mail-Only Open Calls by Building a Large-Scale Researcher Dataset

Principal Investigator · JSPS Grant-in-Aid for Research Activity Start-up · 2022-08 – 2024-03
2022-01 PAPER

Online-to-offline advertisements as field experiments

Matsui, A. & Moriwaki, D. · The Japanese Economic Review
2021 MISC

A Field Experiment on Marketing Strategies Using Mobile Device Location Data

Keizai Seminar (Nippon Hyoron Sha)
2021 MISC

Uncovering Axes of Analysis with Machine Learning from Large-Scale Posting Data

Keizai Seminar (Nippon Hyoron Sha)
2021 MISC

Analyzing Hiring Behavior on Job-Search Sites with Detailed Data

Keizai Seminar (Nippon Hyoron Sha)
2021 PAPER

A Real-World Implementation of Unbiased Lift-based Bidding System

Moriwaki, D., Hayakawa, Y., Matsui, A., et al. · Proceedings of the IEEE International Conference on Big Data (Big Data)
2021-11 PAPER

Using Word Embedding to Reveal Monetary Policy Explanation Changes

Matsui, A., Ren, X. & Ferrara, E. · Proceedings of the Third Workshop on Economics and Natural Language Processing
2021-09 PAPER

The impact of peer review on the contribution potential of scientific papers

Matsui, A., Chen, E., Wang, Y. & Ferrara, E. · Peerj
2021-04-01 GRANT

A Study on Dynamically Understanding the Structure of Retail Competition within Trade Areas Based on Consumer Mobility

Co-investigator · JSPS Grant-in-Aid for Scientific Research (B) · 2021-04 – 2024-03
2020 MISC

The Science of Scientists

Keizai Seminar (Nippon Hyoron Sha)
2020 MISC

Quantifying Biases Hidden in Text with Machine Learning

Keizai Seminar (Nippon Hyoron Sha)
2020 MISC

Special Feature “Network Science and Economics”: Moderator of the Roundtable Discussion

Keizai Seminar (Nippon Hyoron Sha)
2020 TALK

Leveraging clickstream trajectories to reveal low-quality workers in crowdsourced forecasting platforms.

The International Conference for Computational Social Science
2020 TALK

The impact of peer reviews on papers’ contribution potential.

The International Conference for Computational Social Science
2020-09-04 MISC

Leveraging Clickstream Trajectories to Reveal Low-Quality Workers in Crowdsourced Forecasting Platforms

Matsui, A., Ferrara, E., Morstatter, F., et al. · arXiv
2020-08-20 PAPER

Detecting multi-timescale consumption patterns from receipt data: a non-negative tensor factorization approach

Matsui, A., Kobayashi, T., Moriwaki, D. & Ferrara, E. · Journal of Computational Social Science
2020-07-08 MISC

Unbiased Lift-based Bidding System

Moriwaki, D., Hayakawa, Y., Munemasa, I., et al. · arXiv
2020-01 PAPER

Does Streaming Esports Affect Players' Behavior and Performance?

Matsui, A., Sapienza, A. & Ferrara, E. · Games and Culture
2020-01-06 TALK

Human behavior in collaborative work the case of peer-reviewing and forecasting.

CCSS Workshop on Computational Soci
2019 MISC

Spread of Fake News (Low-Credibility Content) by Bots

Keizai Seminar (Nippon Hyoron Sha)
2019 PAPER

SAGE: A Hybrid Geopolitical Event Forecasting System

Morstatter, F., Galstyan, A., Satyukov, G., et al. · Proceedings of the Twenty-Eighth International Joint Conference on Artificial Intelligence (IJCAI)
2019-09 MISC

Global Eye (No. 48): TA (Teaching Assistant)

Akira Matsui · Artificial Intelligence (Journal of the Japanese Society for Artificial Intelligence)
2018 TALK

Playing under the influence (of twitch): The effects of streaming on gamers’ performance.

UCI Esports Conference,
2018 PAPER

Social Bots for Online Public Health Interventions

Deb, A., Majmundar, A., Seo, S., et al. · Proceedings of the IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM)
2017-04-01 GRANT

Economic Analysis of Responses to Financial Crises: Monetary Policy Analysis under Large Shocks Using a Nonlinear DSGE Model

Principal Investigator · JSPS Grant-in-Aid for JSPS Fellows · 2017-04 – 2020-03
2015 AWARD

Shiraki Prize (Outstanding Graduation Thesis) — Simulating Exit Strategies for Quantitative and Qualitative Monetary Easing Considering the Bond Reduction Balance

Kobe University
2015 AWARD

Honorable Mention, 56th Prize Essay Contest, Mizuho Foundation for the Promotion of Sciences — Considering the “Exit Strategy” of Quantitative and Qualitative Monetary Easing