ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,151, issued on Feb. 17, was assigned to WALMART APOLLO LLC (Bentonville, Ark.).
"Shelf-specific facet extraction" was invented by Zigeng Wang (Cupertino, Calif.) and Wei Shen (Pleasanton, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method including obtaining one or more predicted shelves corresponding to the keyword query. The method additionally can include generating linked categorical facets corresponding to the one or more predicted shelves based on shelf-categorical facet linkages. The method further can include generating, using fuzzy matching, candidate shelf-specific facets based on shelf-specific facet representation mappings an...