ALEXANDRIA, Va., July 15 -- United States Patent no. 12,664,483, issued on June 23, was assigned to Humana Inc. (Louisville, Ky.).

"Sequential feedback ensemble model for multilabel classification" was invented by Sreedevi Madhusoodhanan Lalithambika (Lincoln, Neb.) and Sandy S. Chiu (Louisville, Ky.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sequential feedback prediction system predicts a risk of an event associated with a set of potential outcomes. The system receives training data including data records that have information associated with risk factors. Each data record may be labeled with outcomes that have inherent sequential dependencies. The system trains sub-models, each sub-model predicting ...