ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,026, issued on Feb. 17, was assigned to UnitedHealth Group Inc. (Minnetonka, Minn.).

"Interpretable hierarchical clustering" was invented by Ryan Allen (Onalaska, Wis.) and Abhinav Agrawal (Gulabpura, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is a need for more effective and efficient hierarchical clustering. This need can be addressed by, for example, solutions for performing interpretable hierarchical clustering. In one example, a method includes performing a group of hierarchical clustering routines to generate a group of final hierarchical clusters; for each cluster-feature pair of a group of cluster-feature pairs, determining a...