CPC G06Q 30/0242 (2013.01) [G06Q 50/01 (2013.01)] | 23 Claims |
1. An apparatus comprising:
at least one memory;
instructions in the apparatus; and
processor circuitry to execute the instructions to:
instruct first client devices and second client devices, via redirect communications, to send network communications to a server of a database proprietor, the network communications to be indicative of accesses to media at the first and second client devices, database proprietor identifiers to be used by the database proprietor to identify corresponding ones of database proprietor subscribers registered with the database proprietor;
access a unique audience size of the database proprietor subscribers associated with the accesses to the media, the unique audience size of the database proprietor subscribers generated by a process of the server of the database proprietor based on a first quantity of impressions, the first quantity of impressions corresponding to the first client devices that include the database proprietor identifiers, the first quantity of impressions exclusive of a second quantity of impressions corresponding to the second client devices that do not include the database proprietor identifiers; and
apply a missing-audience factor to the unique audience size of the database proprietor subscribers associated with the accesses to the media to produce a coverage-corrected unique audience size that corrects the unique audience size generated by the server of the database proprietor by using the coverage-corrected unique audience size to represent the first and second client devices in place of the unique audience size that corresponds to the first client devices exclusive of the second client devices.
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