ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,109, issued on Nov. 18, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Obfuscating search queries" was invented by Dinesh C. Verma (New Castle, N.Y.), Pawan Raghunath Chowdhary (San Jose, Calif.), David James Beymer (San Jose, Calif.) and Swanand Ravindra Kadhe (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and computer program products for obfuscating search queries are described herein. A method comprises reading an input query; reading a set of known terms organized into hierarchical classes; determining whether the input query is included in the set of known terms; determining one or mo...