ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,707, issued on June 3, was assigned to Capital One Services LLC (McLean, Va.).

"Multi-turn dialogue response generation via mutual information maximization" was invented by Oluwatobi Olabiyi (Arlington, Va.), Zachary Kulis (Washington) and Erik T. Mueller (Chevy Chase, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Machine classifiers in accordance with embodiments of the invention capture long-term temporal dependencies in the dialogue data better than the existing recurrent neural network-based architectures. Additionally, machine classifiers may model the joint distribution of the context and response as opposed to the conditional distribution...