IEICE Technical Report

Online edition: ISSN 2432-6380

Natural Language Understanding and Models of Communication

Workshop Date : 2026-02-28 - 2026-03-01 / Issue Date : 2026-02-21

NLC2025-12
An Interpolative and Extrapolative Data Augmentation Framework for Complementing the Structure of Emotion Data
Keito Inoshita (KU)
pp. 1 - 6

NLC2025-13
Learning Emotional Direction Vectors for Steering Japanese Large Language Models
Miyui Soga, Hiroaki Nanjo (Siga Univ.)
pp. 7 - 12

NLC2025-14
A Study on Japanese Dialect Robustness in Speech- and Text-based Large Language Models
Tomoya Mizumoto, Yusuke Fujita, Hao Shi, Lianbo Liu, Atsushi Kojima, Yui Sudo (SB Intuitions)
pp. 13 - 18

NLC2025-15
Application of LLM-RAG to Machine Translation of Yoron Dialect in Amami Islands -- Verification using Bunsetsu Parallel Data from "Yoron no Shimagatari" --
So Miyagawa (Univ. Tsukuba)
pp. 19 - 24

NLC2025-16
Proposal of an LLM-Based Method for Automated Classification of Narcissistic Statements in Top Management Messages
Yuriko Nakao (Kansai Univ.), Aya Ishino (Hiroshima Univ. Econ./Kobe Univ.), Kana Okada (Osaka Univ. Econ.), Katsuhiko Kokubu (Kobe Univ.)
pp. 25 - 27

NLC2025-17
Automatic Prediction of Nippon Decimal Classification (NDC) Codes from Queries Using Large Language Models
Yuzuha Hayashi (MWU), Shuntaro Yada (Tsukuba), Noriyuki Okumura (MWU), Takuma Asaishi (Nanzan)
pp. 28 - 33

NLC2025-18
Annotation and Analysis of Damaged Areas in Used Clothes Based on Expert Assessments
Chie Mizunuma, Yuka Miyata, Kimio Kuramitsu (Japan Women's Univ.), Noriyuki Okumura (Mukogawa Women's Univ.)
pp. 34 - 39

NLC2025-19
Do Vision-Language Models Actually Use Images? -- An Analysis Based on Output Text and Internal Confidence Dynamics --
Yuka Miyata, Chie Mizunuma (JWU), Noriyuki Okumura (MWU), Kimio Kuramitsu (JWU)
pp. 40 - 45

Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.

The Institute of Electronics, Information and Communication Engineers (IEICE), Japan