一作SIGIR 2026Oral· Information Retrieval (Full)
FACE: A Fine-Grained Reference-Free Evaluator for Conversational Information Access
Hideaki Joko · Faegheh Hasibi
摘要
A systematic, reliable, and low-cost evaluation of Conversational Information Access (CIA) systems remains an open challenge. Existing reference-based evaluation methods have proven insufficient for evaluating the dynamic nature of information access conversations, while existing LLM-based refere...