arxivcs.AIcs.CL2026-07-12
STEC: Evidence Compression for Deep Search in Open-domain Multi-Hop QA
Xinkang Li, Rong Jiang, Xin Song, Ye Wang, Yue Han, Changjian Li
In open-domain multi-hop question answering (QA), LLM-based search agents offer a promising approach to knowledge-intensive QA by combining retrieval with reasoning. Existing methods mainly improve open-domain multi-hop QA through reasoning paradigms, retrieval interaction, and s…