ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,511,275, issued on Dec. 30, was assigned to SAP SE (Walldorf, Germany).
"Disk-based merge for hash maps" was invented by Christian Bensberg (Heidelberg, Germany), Frederik Transier (Bammental, Germany) and Kai Stammerjohann (Wiesloch, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments for a disk-based merge for hash maps are described herein. An embodiment operates by identifying a plurality of hash maps with a plurality of disjunctions. The hash values of each of the entries may be moved to memory and compared for a particular disjunction. A data value with a lower hash value as determined based on the comparison is selected and...