ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,417,468, issued on Sept. 16, was assigned to Amazon Technologies Inc. (Seattle).

"User engagement modeling for engagement optimization" was invented by Hansu Gu (Bellevue, Wash.), Chunlei Zhang (Redmond, Wash.), Chuanhai Zhang (Linyi, China), Feng Zhu (Bothell, Wash.), Tian Chen (Redmond, Wash.) and Siwei Jia (Bellevue, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and computer-readable media for user engagement modeling for engagement optimization are disclosed. Based (at least in part) on one or more user engagement models, a user engagement modeling system determines an uplift score for a user of an Internet-accessible servi...