Showing cs.IRShow all
2 papers · 1 filter
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…
cs.IR2021
Zero-Shot Dense Retrieval with Momentum Adversarial Domain Invariant Representations
Ji Xin, Chenyan Xiong, Ashwin Srinivasan +3
Dense retrieval (DR) methods conduct text retrieval by first encoding texts in the embedding space and then matching them by nearest neighbor search. This requires strong locality…