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From the 1 of 5 linked papers with an AI index.

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5 papers

cs.CL2026

Relation Geometry in Semantic Space of Language Models

Zhihan Cao, Hiroaki Yamada, Simone Teufel +4

The paper investigates how different semantic relations are reflected in the geometric structure of word embedding spaces produced by various language models, examining region clus…

cs.CL2025

Augmenting Dialog with Think-Aloud Utterances for Modeling Individual Personality Traits by LLM

Seiya Ishikura, Hiroaki Yamada, Tatsuya Hiraoka +1

This study proposes augmenting dialog data with think-aloud utterances (TAUs) for modeling individual personalities in text chat by LLM. TAU is a verbalization of a speaker's thoug…

cs.CL2025

On the Distinctive Co-occurrence Characteristics of Antonymy

Zhihan Cao, Hiroaki Yamada, Takenobu Tokunaga

Antonymy has long received particular attention in lexical semantics. Previous studies have shown that antonym pairs frequently co-occur in text, across genres and parts of speech,…

cs.CL2025

A Comprehensive Evaluation of Semantic Relation Knowledge of Pretrained Language Models and Humans

Zhihan Cao, Hiroaki Yamada, Simone Teufel +1

Recently, much work has concerned itself with the enigma of what exactly pretrained language models~(PLMs) learn about different aspects of language, and how they learn it. One str…

cs.CL2025

Misalignment of Semantic Relation Knowledge between WordNet and Human Intuition

Zhihan Cao, Hiroaki Yamada, Simone Teufel +1

WordNet provides a carefully constructed repository of semantic relations, created by specialists. But there is another source of information on semantic relations, the intuition o…