collaborators

14 papers

cs.CL2026

ExCAM: Explainable Cultural Awareness Metrics

Christoph Leiter, Haiyue Song, Hour Kaing +4

Evaluating the cultural awareness of large language models is crucial to ensure the fairness of generated text and the generalizability of applications across the world. Recent ben…

cs.CL2026

ATD-Trans: A Geographically Grounded Japanese-English Travelogue Translation Dataset

Shohei Higashiyama, Hiroki Ouchi, Atsushi Fujita +1

Geographic text, or textual data rich in geographic (geo-) information is a valuable source for various geographic applications, e.g., tourism management. Making such information a…

cs.CL2026

Language-free Experience at Expo 2025 Osaka

Michael Paul, Kenji Imamura, Xiaolin Wang +2

In line with the Global Communication Plan 2025, we have pursued the development of multilingual translation technologies to realize a language-barrier-free experience at Expo 2025…

cs.CL2026

OptiMer: Optimal Distribution Vector Merging Is Better than Data Mixing for Continual Pre-Training

Haiyue Song, Masao Utiyama

Continual pre-training is widely used to adapt LLMs to target languages and domains, yet the mixture ratio of training data remains a sensitive hyperparameter that is expensive to…

cs.CL2026

CADEL: A Corpus of Administrative Web Documents for Japanese Entity Linking

Shohei Higashiyama, Masao Ideuchi, Masao Utiyama

Entity linking is the task of associating linguistic expressions with entries in a knowledge base that represent real-world entities and concepts. Language resources for this task…

cs.CL2025

Minimum Bayes Risk Decoding for Error Span Detection in Reference-Free Automatic Machine Translation Evaluation

Boxuan Lyu, Haiyue Song, Hidetaka Kamigaito +5

Error Span Detection (ESD) extends automatic machine translation (MT) evaluation by localizing translation errors and labeling their severity. Current generative ESD methods typica…