ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,602, issued on Oct. 14, was assigned to SAP SE (Walldorf, Germany).
"Comparing datasets using hash values over a subset of fields" was invented by Ulrich Schlueter (Schriesheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Relevant content of datasets is compared by computing a hash value over a selected subset of fields to obtain a signature of a dataset, with other fields being disregarded. A hash value can be computed directly for all records of the dataset, or by combining individual hash values for each record. Comparison of the signature with that of other datasets leads to efficient determination whether two datasets match with resp...