Methods and apparatus to determine media impressions using distributed demographic information

摘要

Examples to determine media impressions using distributed demographic information are disclosed. Some disclosed example methods involve sending a request to an impression monitor system in response to detecting a login event at a client device. The login event is associated with an Internet-based service of a first Internet domain different from a second internet domain of the impression monitor system. Such disclosed example methods also involve sending a login reporting message to a database proprietor that provides the Internet-based service. The login reporting message including first and second cookie identifiers. The first cookie identifier is associated with the first Internet domain of the Internet-based service, and the second cookie identifier is associated with the second Internet domain of the impression monitor system.

主权项

1. A method to determine media impressions using distributed demographic information, the method comprising:
associating first cookies of a first domain with respective second cookies of a second domain, the second cookies mapped in association with respective media identifiers in a data structure received from the second domain; and for each of the second cookies associated with a respective one of the first cookies, associating user demographic information with the second cookie, the user demographic information maintained at the first domain for a user corresponding to the respective first cookie.