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arXiv cs.CL · Papers

RouteRec: Strict Evaluation of Recommender-Agent Selection and Aggregation

arXiv:2607.09908v1 Announce Type: new Abstract: Recommender systems increasingly face a choice among heterogeneous agents -- collaborative filters, sequential models, content-based retrievers, and LLM-based rerankers -- yet no single agent is uniformly best. We study this choice as task-aware agent ranking under cost c