Preprint
Aug 2026
STAR: Structured Tokenization and Target-Aware Interest Representation for PCVR Prediction
Post-click conversion rate (PCVR) prediction is a core ranking task in industrial recommender systems. Modern ranking models must jointly capture heterogeneous non-sequential features, multi-behavior user sequences, and target-item-aware user interests, while remaining robust to high-cardinality sparse features, missin...
Yi-min Xu, Ruihao Zhang, Ying Song et al.
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