ALEXANDRIA, Va., April 9 -- United States Patent no. 12,271,407, issued on April 8, was assigned to Knowbl Inc. (Ponte Vedra Beach, Fla.).

"Systems and methods for implementing a virtual agent performing context and query transformations using unsupervised machine learning models" was invented by Parker Hill (Reno, Nev.), Sean Croskey (Canton, Mich.) and Alexander Speicher (Ann Arbor, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method for improving a predictive response of a machine learning-based virtual dialogue agent includes identifying an unfilled dialogue slot associated with an active dialogue between a user and the machine learning-based virtual dialogue agent, obtaini...