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About this paper

Yatong Xiao, Yibo Sheng, Lixiang Wang, Mingjie Sun, Yunhao Sha, Pengfei Zhang, Shengyu Wang, Peng Wang and 2 more

GR4AD-X improves advertising retrieval by giving ads multiple semantic-ID paths, expanding model capacity through complementary mechanisms, and using commercial-value estimates to train prefixes, guide beam selection, and rerank candidates. With UniVGD, full-level HR@10 rises from 0.021 to 0.298. Sequential online tests on Kuaishou report 3.07% higher revenue than deployed GR4AD; this measures the combined system.

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