一作ACL 2026Poster· Natural Language Processing
VISTA : Verification In Sequential Turn-based Assessment
Ashley Lewis · Andrew Perrault · Eric Fosler-Lussier · Michael White
摘要
Hallucination—defined here as generated statements unsupported or contradicted by available evidence or conversational context—remains a major obstacle to using conversational AI systems in settings that demand factual reliability. Existing metrics evaluate isolated responses or treat unverifiabl...