Yiqun Liu

Current search paradigms fall short for analytical tasks, motivating a new "analytical search" framework that treats search as an evidence-driven, multi-step reasoning process.

LLMs still can't convincingly mimic human personas, especially when it comes to syntactic style and memory, despite advancements in other areas.

LLMs still struggle to learn effectively from user feedback during service, as revealed by a new benchmark spanning multiple domains and languages.