ALEXANDRIA, Va., May 19 -- United States Patent no. 12,632,453, issued on May 19, was assigned to Express Scripts Strategic Development Inc. (St. Louis).

"Genetic-algorithm-assisted query generation" was invented by Sandra L. Diaz-Castillo (Winter Park, Fla.) and Stefan M. Riedling (West Hartford, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A query generation system includes memory hardware configured to store instructions and processor hardware configured to execute the instructions. The instructions include obtaining a definition of a query specifying a number of elements of the query. The instructions include identifying candidate query elements for the query that correspond to a set of multiple ...