ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,800, issued on Oct. 14, was assigned to UnitedHealth Group Inc. (Minnetonka, Minn.).

"Generation of synthetic question-answer pairs using a document classifier and classification explainer" was invented by Joel David Stremmel (Iowa City, Iowa), Eran Halperin (Santa Monica, Calif.), Sanjit S Batra (Redwood City, Calif.), Ardavan Saeedi (Jersey City, N.J.) and Hamid Reza Hassanzadeh (Suwanee, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments of the present disclosure provide methods, apparatus, systems, computing devices, computing entities, and/or the like for improving question-answer (QA) machine learning model training based o...