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cs.CY2026
Return of the solo author: The changing division of labor in science in the age of generative AI
Akira Matsui
Modern science has experienced a long shift from individual work to team production. Generative artificial intelligence (AI) might appear to extend this trajectory by lowering rese…
cs.CY2025
Gendered Cultural Discourse in Japan across the Prewar-Postwar Transition: Evidence from Historical Word Embeddings
Shintaro Sakai, Haewoon Kwak, Jisun An +1
We quantify the evolution of gender stereotypes in Japan from 1900 to 1998, covering the prewar-postwar transition, using a series of yearly word embeddings trained on historical t…
cs.CY2025
Modeling User Redemption Behavior in Complex Incentive Digital Environment: An Empirical Study Using Large-Scale Transactional Data
Akira Matsui, Takashi Teramoto, Eiji Motohashi +1
The digital economy implements complex incentive systems to retain users through point redemption. Understanding user behavior in such complex incentive structures presents a funda…