US Patent Issued to Amazon Technologies on April 21 for "Document sorting with bitmap indexes" (California, Washington, New York Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,608,173, issued on April 21, was assigned to Amazon Technologies Inc. (Seattle).

"Document sorting with bitmap indexes" was invented by John Espenhahn (San Francisco), Ali Koc (Smithtown, N.Y.), Nitya Dhimantkumar Sheth (Belmont, Calif.), Rajat Mathur (Sunnyvale, Calif.), Vidit Ochani (Bothell, Wash.), Ronald Stephen Kyker (Hayward, Calif.), Amit Gul Phagwani (Fremont, Calif.) and George Steven McPherson (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for document sorting with bitmap indexes are described. A request to sort a set of documents is received. A bitmap that identifies the set of documents to be sorted is obtained. An orde...