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cs.IR2026
AttentionRetriever: Attention Layers are Secretly Long Document Retrievers
David Jiahao Fu, Lam Thanh Do, Jiayu Li +1
Retrieval augmented generation (RAG) has been widely adopted to help Large Language Models (LLMs) to process tasks involving long documents. However, existing retrieval models are…
cs.IR2026
CASPER: Concept-integrated Sparse Representation for Scientific Retrieval
Lam Thanh Do, Linh Van Nguyen, Jiayu Li +2
Identifying relevant research concepts is crucial for effective scientific search. However, primary sparse retrieval methods often lack concept-aware representations. To address th…