ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,055, issued on April 7, was assigned to Maplebear Inc. (San Francisco).

"Identifying items offered by an online concierge system for a received query based on a graph identifying relationships between items and attributes of the items" was invented by Tejaswi Tenneti (San Carlos, Calif.), Aditya Subramanian (San Francisco), Shrikar Archak (Newark, Calif.), Tyler Russell Tate (Lexington, Ky.) and Jonathan Lennart Bender (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "An online concierge system generates a graph connecting items with attributes of the items and other items. Hence, the graph includes nodes corresponding to attributes and ...