ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,354, issued on Feb. 24, was assigned to Walmart Apollo LLC (Bentonville, Ark.).

"Systems and methods for item-specific keyword recommendation" was invented by Zigeng Wang (Santa Clara, Calif.), Jae Young Kim (Sunnyvale, Calif.), Yaotong Cai (Campbell, Calif.), Xia Zhao (Santa Clara, Calif.) and Wei Shen (Pleasanton, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods of item-specific keyword recommendation are disclosed. An item data structure including an item title is received and at least one item embedding is generated by applying a first trained semantic mapping model to the item title. The first trained semantic mapping m...