ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,505,089, issued on Dec. 23, was assigned to Fannie Mae (Washington).

"Systems and methods for hydrating and maintaining data integrity of a data lake" was invented by Charles A. Smith (Washington), Santanu Haldar (Washington), Oliver Mathias (Washington) and Amit Mayabhate (Washington).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are systems and methods for maintaining data integrity (e.g., of a database, a data lake, etc.). In some embodiments, one or more processing circuits identify an update, insertion, or deletion of unstructured data stored in an upstream source. The processing circuits determine a new schema of the unstructured data us...