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cs.IR2026
SAGE: Structure Aware Graph Expansion for Retrieval of Heterogeneous Data
Prasham Titiya, Rohit Khoja, Tomer Wolfson +2
Retrieval-augmented question answering over heterogeneous corpora requires connected evidence across text, tables, and graph nodes. While entity-level knowledge graphs support stru…
cs.CL2026
Decomposed Prompting Does Not Fix Knowledge Gaps, But Helps Models Say "I Don't Know"
Dhruv Madhwal, Lyuxin David Zhang, Dan Roth +2
Large language models often struggle to recognize their knowledge limits in closed-book question answering, leading to confident hallucinations. While decomposed prompting is typic…