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cs.IR2025
Multi-Field Adaptive Retrieval
Millicent Li, Tongfei Chen, Benjamin Van Durme +1
Document retrieval for tasks such as search and retrieval-augmented generation typically involves datasets that are unstructured: free-form text without explicit internal structure…
cs.IR2025
Hierarchical corpus encoder: Fusing generative retrieval and dense indices
Tongfei Chen, Ankita Sharma, Adam Pauls +1
Generative retrieval employs sequence models for conditional generation of document IDs based on a query (DSI (Tay et al., 2022); NCI (Wang et al., 2022); inter alia). While this h…