Patent ID: 11971922
Assignee: THE NIELSEN COMPANY (US), LLC
Field: IT methods for management (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 5:
6. A non-transitory computer readable medium having stored thereon instructions, that upon execution by a computing system, cause the computing system to:
log a plurality of impressions corresponding to media accessed at client devices;
generate a matrix and a vector based on (a) a first count of first demographic impressions corresponding to the media accessed via a first source and logged by a first database proprietor and (b) a second count of second demographic impressions corresponding to the media accessed via a second source and identified by a second database proprietor, the vector representative of a plurality of ratios of constraints to a count of the logged plurality of impressions, the first demographic impressions corresponding to first users of the first database proprietor, the second demographic impressions corresponding to second users of the second database proprietor; and
determine at least one of a first unique audience size exposed to the media via the first source, a second unique audience size exposed to the media via the second source, or a total unique audience size exposed to the media via the first and second sources based on the matrix and the vector.