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cs.IR2026
Prompt Optimization for User Simulation in Conversational Recommender Systems: A Multi-Objective Framework
Nipun B Nair, Tongtong Wu, Weiqing Wang
Conversational recommender systems (CRSs) are a core component of next-generation intelligent recommender systems because they enable users to actively elicit preferences, clarify…
cs.IR2026
Efficient Temporal-aware Matryoshka Adaptation for Temporal Information Retrieval
Tuan-Luc Huynh, Weiqing Wang, Trung Le +4
Retrievers are a key bottleneck in temporal Retrieval-Augmented Generation (RAG) systems: failing to retrieve temporally relevant context can degrade downstream generation, regardl…