ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,740, issued on Nov. 11, was assigned to GOOGLE LLC (Mountain View, Calif.).

"Category recommendation with implicit item feedback" was invented by Arsalan Mosenia (Los Angeles), Anandsudhakar Kesari (Palo Alto, Calif.), Yanli Cai (Sunnyvale, Calif.), Anurag Vyas (San Jose, Calif.) and Monica Chawathe Lenart (Los Altos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques of providing category recommendations include a category recommendation system that provides users recommended categories based on implicit data (e.g., user-item interactions) and/or explicit data (e.g., queries, user information). The recommendations can be personalized ...