ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,775,657, issued on Oct. 27, was assigned to Oramasearch Inc. (San Francisco).

"Operating in a content delivery network a distributed search index for performing vector search" was invented by Michele Riva (Carnate, Italy), Issac Roth (San Francisco) and Tommaso Allevi (Milan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An index shard data structure that is part of a search index is described. The data structure includes an executable routine that (1) takes as an argument a semantic meaning representation of a query, (2) embeds list of mappings from semantic meaning representations each of a different one of the documents of the corpus to a document ID...