Preprint
Aug 2026
SetMIR: Multi-Interest Retrieval as Set Prediction
Deployed as a new retrieval source in the DPA production stack, SetMIR lifts overall CVR by 3.1%, while lifting CTR by 44% and CVR by 51% over the item-to-item retrieval source with the same item embeddings, ANN index, and retrieval quota.
Xiao-Dong Liu, Cong-Fei Zhang, Hsiang-Wei Chao et al.
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