US Patent Issued to The Nielsen Company (US) on April 7 for "Method and system for estimating the cardinality of information" (Michigan, Utah, Connecticut Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,714, issued on April 7, was assigned to The Nielsen Co. (US) LLC (New York).

"Method and system for estimating the cardinality of information" was invented by Michael Sheppard (Holland, Mich.), Edward Murphy (Montville, Conn.) and Jonathan Sullivan (Hurricane, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method for efficiently estimating the number of unique elements in a collection of elements comprises generating, via hash logic, hash values for each element of the collection of elements. The method further comprises specifying, in a sketch-frequency table, a set of discrete statistical values associated with the hash...