Author

Susik Yoon

University of Illinois at Urbana-Champaign

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Breaking the Reference Bottleneck via Learning to Rewrite Conversational Queries without Gold Reference Passages

A novel reference-free preference optimization framework D UAL R EFORM that generates pseudo reference passages from commonly-encountered conversational datasets containing only queries and responses that achieves 96.9–99.1% of the retrieval accuracy attainable only with reference passages.

Doyoung Kim, Youngjun Lee, Joeun Kim et al. · 0 citations

Preprint Sep 2026

TimelyRAG: Semantic-Temporal Hybrid Retrieval for Time-Critical Question Answering in Overlapping-Evolving Documents

TimelyRAG is proposed, a retriever-agnostic framework that incorporates temporal distance into ranking to align queries with version-appropriate documents, and TimelyQABench is introduced, the first benchmark for regulation-heavy domains with overlapping-evolving challenges.

Youngeun Nam, Joeun Kim, Hwanjun Song et al. · 2 citations