ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,009, issued on July 21, was assigned to Amazon Technologies Inc. (Seattle).

"Intermediate sorting for data set projection builds" was invented by Sagar Mundra (San Jose, Calif.) and Sameer Jain (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "An intermediate sorted version of a projection of a data set is used to create the projection of the data set. A copy of the data set can be accessed to store an intermediate sorted version and determine a number of portions to the projection of the data set across a number of data stores. Then, distributed execution to create the projection of the data set to be performed from different portions of the ...