US Patent Issued to Actian on Nov. 11 for "Patchindex system and method for updatable materialization of approximate constraints" (German Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,687, issued on Nov. 11, was assigned to Actian Corp. (Round Rock, Texas).

"Patchindex system and method for updatable materialization of approximate constraints" was invented by Steffen Klabe (Ilmenau, Germany) and Stephan Baumann (Ilmenau, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects described herein relate to maintaining a dataset with approximate constraints including determining, for a dataset, a constraint collection of tuples that satisfy a constraint and an exception collection of tuples that are an exception to the constraint, constructing, for the dataset, a sharded bitmap of bits, wherein each bit in the sharded bitmap in...