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An Empirical Comparison of High-Order Feature Interaction Operators for Conversion Rate Prediction in Sparse, High-Cardinality Message-Ads Traffic: Accuracy, Efficiency, and Offline--Online Consistency. J. Sci. Innov. Soc. Impact. 2026;2(3):12-22. Accessed May 30, 2026. https://pinnaclepubs.com/index.php/JSISI/article/view/730