The 40th Annual Conference of the Japanese Society for Artificial Intelligence, 2026
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Session Details

Organized SessionOrganized session : OS-2

[2H4-OS-2a]OS-2

Tue. Jun 9, 2026 1:30 PM - 3:00 PM JST
Tue. Jun 9, 2026 4:30 AM - 6:00 AM UTC
Room H(Middle room 202B)
オーガナイザ：中川 慧（大阪公立大学），平野 正徳（株式会社Preferred Networks），坂地 泰紀（北海道大学），酒井 浩之（成蹊大学），水田 孝信（スパークス・アセット・マネジメント株式会社），星野 崇宏（慶應義塾大学）
1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[2H4-OS-2a-01]Selection Biases in Pairwise Financial Sentiment Analysis with Large Language Models

〇Kaito Takano1,2 (1. Nomura Asset Management Co., Ltd., 2. Osaka Metropolitan University)
1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)

[2H4-OS-2a-02]A Proposal of a Method for Explaining Market Risk Factors Based on Form 10-K

〇Yoshiyuki Nakata1,2, Kaira Sekiguchi1, Yukio Ohsawa1 (1. The University of Tokyo, 2. Nissay Asset Management Corporation)
2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[2H4-OS-2a-03]Error Analysis and Improvement of an LLM-based Causal Expression Extraction Method

〇Takuma Tsuji1, Masanori Hirano2, Kentaro Imajo2, Hiroki Sakaji1, Itsuki Noda1 (1. Hokkaido University, 2. Preferred Networks Inc.)
2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[2H4-OS-2a-04]LLM-as-a-Judge Evaluation and Analysis of Financial News Articles generated based on Factors of Stock Price Fluctuation

〇Yurina Kosai1, Rikuto Tsuchida1, Yucheng Xie1, Takehito utsuro1 (1. University of Tsukuba)
2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[2H4-OS-2a-05]Design of Multi Turn Chat against Inappropriate / Insufficient Answers in Question Answering

〇Shohei Iida1, Youchao Lin1, Daishin Kawakami1, Rie Shishido1 (1. Yayoi Co., Ltd.)
2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[2H4-OS-2a-06]Generating Counterfactual Explanation Example on Accounting Domains

〇Yoshihisa Furusawa1, Rie Shishido1 (1. Yayoi Co., Ltd)
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