5 papers
A Two-Phase Stability Study of LLM Judges and Bar Council Examiners on Thai Bar-Exam Free-Form Essays
Pawitsapak Akarajaradwong, Wuttikrai Lertprasertphakorn, Chompakorn Chaksangchaichot +1
Free-form legal essay evaluation in NLP treats expert inter-rater stability as a single ceiling number, and treats LLM-judge agreement with that ceiling as evidence of judge stabil…
Evaluating Perspectival Biases in Cross-Modal Retrieval
Teerapol Saengsukhiran, Peerawat Chomphooyod, Narabodee Rodjananant +6
Multimodal retrieval systems are expected to operate in a semantic space, agnostic to the language or cultural origin of the query. In practice, however, retrieval outcomes systema…
NitiBench: A Comprehensive Study of LLM Framework Capabilities for Thai Legal Question Answering
Pawitsapak Akarajaradwong, Pirat Pothavorn, Chompakorn Chaksangchaichot +4
The application of large language models (LLMs) in the legal domain holds significant potential for information retrieval and question answering, yet Thai legal QA systems face cha…
Can Group Relative Policy Optimization Improve Thai Legal Reasoning and Question Answering?
Pawitsapak Akarajaradwong, Chompakorn Chaksangchaichot, Pirat Pothavorn +3
The Retrieval-Augmented Generation (RAG) systems' performance on Thai legal question answering is still limited, especially for questions requiring extensive, complex legal reasoni…
THAI Speech Emotion Recognition (THAI-SER) corpus
Jilamika Wongpithayadisai, Chompakorn Chaksangchaichot, Soravitt Sangnark +7
We present the first sizeable corpus of Thai speech emotion recognition, THAI-SER, containing 41 hours and 36 minutes (27,854 utterances) from 100 recordings made in different reco…