AI RESEARCH
Reproducing Complex Set-Compositional Information Retrieval
arXiv CS.CL
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ArXi:2605.03824v1 Announce Type: new Complex information needs may involve set-compositional queries using conjunction, disjunction, and exclusion, yet it remains unclear whether current retrieval paradigms genuinely satisfy such constraints or exploit `semantic shortcuts'. We conduct a reproducibility study to benchmark major retrieval families and reasoning-targeted methods on QUEST and QUEST+Variants, and