2026
MergePRAG: Orthogonal Merging of Passage-experts for Multi-hop Parametric RAG
ICLR 2026poster
Large language models (LLMs) can be enhanced with external knowledge through two dominant approaches: (1) **retrieval-augmented generation (RAG)**, which supplements LLMs with in-context retrieved passages, and (2) **parametric knowledge adaptation (PKA)**, which directly updates model parameters wi…