Off-policy evaluation for semantic ID recommenders: can the model’s own SID tree serve as the action abstraction for OPE?
Read the original at arxiv.org→arXiv:2608.28905v1 Announce Type: new Abstract: Generative recommenders increasingly emit semantic IDs (SIDs): each item is a short sequence of hierarchical discrete codes from a residual quantizer, decoded...
Original headline: "Off-Policy Evaluation for Semantic ID Recommenders: Does the Model's Own Code Hierarchy Help?"
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- Sep 1, 04:00 UTC arXiv cs.LG lead source Off-Policy Evaluation for Semantic ID Recommenders: Does the Model's Own Code Hierarchy Help?