ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,755, issued on Feb. 17, was assigned to Amazon Technologies Inc. (Seattle).

"Quality of experience optimization for user engagement optimization" was invented by Chitti Babu Namballa (Bellevue, Wash.), Sharathabhinav Dharmaji (San Jose, Calif.), Pragyana K. Mishra (Seattle) and Mohan Padmanabhan (Sammamish, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are systems and methods to optimize the quality of experience of a video streaming session through counterfactual estimation to measure the impact of streaming quality on user engagement. The impact on user engagement may consider both short term user engagement (e.g., current session...