Yu Ren

Meet, Compare, or Abstain: LatWeave for Deterministic Multi-Hop Question Answering on Knowledge Lattices

Probabilistic question-answering systems -- whether large language models (LLMs) themselves, retrieval-augmented generation (RAG), or trained multi-hop retrievers -- conflate"what is known"and"how to reason"into a single probabilistic computation: hallucination cannot be eradicated, evidence chains cannot be audited, a...