ALEXANDRIA, Va., July 30 -- United States Patent no. 12,373,439, issued on July 29, was assigned to OptumSoft Inc. (Vero Beach, Fla.).
"Approximate matching" was invented by David R. Cheriton (Vero Beach, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A first set of subconditions is obtained. Approximate matching of the first set of subconditions against a plurality of sets of subconditions is performed. A second set of subconditions among the plurality of sets of subconditions is accessed, wherein a representation of a subcondition in the first set and/or the second set of subconditions comprises a value having one of a plurality of states, and wherein the plurality of states comprises a state of "don'...