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cs.IR2026
UniRec: Cross-stage Multi-Task Fusion with Preference Alignment for Cascaded Recommender Systems
Lingyuan Kong, Jiaqi Cui, Fanjiao Zeng +6
Industrial recommender systems cascade stages with different objectives, feature spaces, and latency constraints. Optimizing pre-ranking and ranking separately induces cross-stage…
cs.IR2026
Once Generated, Ranked: End-to-End Generative Slate Recommendation with Unified Semantic-Collaborative IDs
Yang Hu, Jiayi Guo, Jingui Ma +6
Slate recommendation treats a slate rather than an individual item as the recommendation unit, requiring joint optimization of item interactions and slate utility. Existing approac…