Author

Chaewan Chun

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#natural language process... Preprint Sep 2026

TRILOGUE: A Trilingual Spoken Dialogue Fact-Checking Benchmark with Evidence and Paired Audio

TRILOGUE (TRIlingual spoken diaLOGUE fact-checking) is introduced, a large-scale trilingual benchmark of source-grounded spoken dialogues in English, Russian, and Kazakh that supports claim check-worthiness detection, source-article evidence retrieval, and claim verification with claim-only, gold-evidence, and retrieve...

Chaewan Chun, Meruyert Aristombayeva, Jiyoung Choi et al. · 0 citations

#natural language process... Preprint Aug 2026

Lost in Speech: Trilingual Spoken Hallucination Detection Across Audio and Transcripts

This work presents the first multilingual spoken hallucination benchmark comprising 12,013 news samples across English, Russian, and Kazakh with controlled hallucinations of three types and three severity levels, and assesses fine-tuned multilingual encoders and, in zero-shot in-context settings, multimodal decoder mod...

Meruyert Aristombayeva, Jason Samuel Lucas, Chaewan Chun et al. · 1 citation