ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,505,404, issued on Dec. 23, was assigned to Walmart Apollo LLC (Bentonville, Ark.).

"Divide-and-conquer framework and modularized algorithmic scheme for large-scale optimization" was invented by Ming Ni (Pflugerville, Texas), Kunlei Lian (Bentonville, Ark.), Yu Zheng (Bentonville, Ark.), Liqing Zhang (Humble, Texas), Ti Zhang (Rocklin, Calif.), Jing Huang (San Jose, Calif.) and Mingang Fu (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method including obtaining an optimization request at a coordinating engine. The method also can include triggering engines to process the optimization request. At least one of the engines divides the ...