ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,724, issued on Nov. 25, was assigned to SonderMind Inc. (Denver).

"Systems and methods for determining states using run-length encoders, binarized bins, and k-means cluster models" was invented by Jonathan Knights (Lawrenceville, N.J.), Xiao Yang (Lancaster, Pa.), Holly Dubois (McQueeney, Texas), Vincent Mysliwiec (San Antonio) and Hanjie Shen (Issaquah, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some embodiments, a method includes receiving longitudinal interaction data. The longitudinal interaction data is sorted into a plurality of bins. Using a run-length encoder, at least one inactivity period indication is generated, and an inferr...