activity
20202026
most citedSyndromic surveillance using search query logs and user location information from smartphones against COVID-19 clusters in Japan

31 citations · 36 across the 4 of their papers we have counts for

collaborators

5 papers

cs.CL2026

Can Large Language Models Imitate Human Speech for Clinical Assessment? LLM-Driven Data Augmentation for Cognitive Score Prediction

Si-Belkacem Yamine Ketir, Lenard Paulo Tamayo, Shohei Hisada +3

Accurate assessment of cognitive decline from spontaneous speech remains challenging due to limited dataset size and class imbalance. In this work, we propose a large language mode…

cs.CL2025

Filling in the Clinical Gaps in Benchmark: Case for HealthBench for the Japanese medical system

Shohei Hisada, Endo Sunao, Himi Yamato +2

This study investigates the applicability of HealthBench, a large-scale, rubric-based medical benchmark, to the Japanese context. Although robust evaluation frameworks are essentia…

cs.CL2024★ 5 cited

LLM-jp: A Cross-organizational Project for the Research and Development of Fully Open Japanese LLMs

LLM-jp, :, Akiko Aizawa +80

This paper introduces LLM-jp, a cross-organizational project for the research and development of Japanese large language models (LLMs). LLM-jp aims to develop open-source and stron…

cs.CL2022

Annotation-Scheme Reconstruction for "Fake News" and Japanese Fake News Dataset

Taichi Murayama, Shohei Hisada, Makoto Uehara +2

Fake news provokes many societal problems; therefore, there has been extensive research on fake news detection tasks to counter it. Many fake news datasets were constructed as reso…

cs.IR2020★ 31 cited

Syndromic surveillance using search query logs and user location information from smartphones against COVID-19 clusters in Japan

Shohei Hisada, Taichi Murayama, Kota Tsubouchi +4

[Background] Two clusters of coronavirus disease 2019 (COVID-19) were confirmed in Hokkaido, Japan in February 2020. To capture the clusters, this study employs Web search query lo…