[2H5-OS-2b] OS-2 | The 40th Annual Conference of the Japanese Society for Artificial Intelligence, 2026

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Session Details

Organized SessionOrganized session : OS-2

[2H5-OS-2b]OS-2

Tue. Jun 9, 2026 3:30 PM - 5:00 PM JST
Tue. Jun 9, 2026 6:30 AM - 8:00 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）

3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[2H5-OS-2b-01]Empirical Study on the Feedback Capabilities of Large Language Models in the Automatic Generation of Stock Investment Strategies

〇Hirai Kawamura^1,2, Kenji Kubo^1,2, Kei Nakagawa^3,2 (1. University of Tokyo, 2. Matsuo Institute, 3. Graduate School of Business, Osaka Metropolitan University)

3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[2H5-OS-2b-02]Characteristic Analysis and Out-of-sample Test of Earnings Prediction with Local LLMs

〇Shirai Yusuke¹, Ichikawa Yoshihiko¹, Nakagawa Kei² (1. Insight Edge.Inc, 2. Osaka Metropolitan University)

4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[2H5-OS-2b-03]Exploring an Embedding Model Using Ternary Sentiment for the Economic Domain

〇Eriya Haruna¹, Naoki Shishido¹, Atsushi Keyaki¹ (1. Hitotsubashi University)

4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[2H5-OS-2b-04]Construction of Text Embeddings for Flexible Cross-Document Correspondence Extraction in Financial Documents

〇Kenji Hiramatsu¹, Tomoki Ito² (1. IFIS JAPAN LTD., 2. National Institute of Information and Communications Technology)

4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[2H5-OS-2b-05]FX Portfolio Strategy Based on Trade Network Centrality

〇Mikito Hiruki¹, Kei Nakagawa² (1. The University of Tokyo, 2. Osaka Metropolitan University)

4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[2H5-OS-2b-06]Shapley Values in Networks with Higher-Order Interactions

〇Tomoya Akamatsu¹, Kei Nakagawa² (1. MUFG Bank, Ltd., 2. Osaka Metropolitan University)

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