US Patent Issued to HITACHI on May 26 for "Query processing device and query processing method" (Japanese Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,639,308, issued on May 26, was assigned to HITACHI LTD. (Tokyo).

"Query processing device and query processing method" was invented by Divya Singh (Tokyo), Toshihiko Kashiyama (Tokyo) and Tianben Ding (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A query processing device that reduces the calculation cost for checking whether a query complies with restrictions. A query dividing section generates subqueries by dividing an input query for each of a plurality of organizations. A score computing section computes an organization score by evaluating an organization-specific risk that is the risk of determination that the subquery does not comply with o...