ALEXANDRIA, Va., June 9 -- United States Patent no. 12,651,279, issued on June 9, was assigned to YAHOO AD TECH LLC (Dulles, Va.).
"Method and system for matching query to ads using query subword vectors" was invented by Erik Ordentlich (San Jose, Calif.), Andrew Feng (Cupertino, Calif.), Milind Rao (Palo Alto, Calif.) and Jun Shi (Fremont, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present teaching relates to identifying content that matches a query. Train data include queries, advertisement, and hyperlinks associated with query sessions. A plurality of subwords for each of the queries in the training data are identified. A query/ads model is then trained by optimizing vectors associated the ...