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cs.IR2026
Simple Linear Corrections for Compression in Late Interaction
Mihir Agarwal, Sabyasachi Basu, Viraj Agrawal
Late-interaction (multi-vector) models represent documents using a set of token-level vectors, providing a middle ground between cross-encoders and dense encoders in terms of quali…
cs.IR2026
Retrieval Needs Multivectors: An Exponential Separation
Mihir Agarwal, Viraj Agrawal, Sabyasachi Basu +2
Recent works have highlighted the expressive limitations of embedding based retrieval models through both theoretical analyses and challenging benchmarks such as LIMIT. While multi…