ALEXANDRIA, Va., April 21 -- United States Patent no. 12,608,341, issued on April 21, was assigned to Lockheed Martin Corp. (Bethesda, Md.).

"Domain-focused natural language question and answer" was invented by Spenser Warren Stone (Dallas), Corey Benjamin Mutnik (Plantation, Fla.), Matthew Joseph Studer (Brooklyn, N.Y.) and Nathan Richards Fields (Rockville, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A domain-focused natural language question and answer system. The system includes one or more electronic processors. The one or more electronic processors are configured to create, from a plurality of files, a plurality of fine-tuning data examples, each respective fine-tuning data example of the plural...