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

Claim 16:
17. 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;
determine a first enumeration table, the first enumeration table including first values based on a system of non-linear equations associated with (a) a first count of first demographic impressions corresponding to the media accessed via a first source and logged by a first database proprietor, (b) a first count of first users exposed to the media, (c) a second count of second demographic impressions corresponding to the media accessed via a second source and logged by a second database proprietor, and (d) a second count of second users exposed to the media, 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;
determine a second enumeration table including second values based on a second system of non-linear equations associated with the first values determined in the first enumeration table and the plurality of impressions; and
determine at least one of a first unique audience size of the media accessed via the first source, a second unique audience size of the media accessed via the second source, or a total unique audience size of the media accessed via the first and second sources by solving second expressions using the second values in the second enumeration table.