Methods and apparatus to collect distributed user information for media impressions

摘要

- 38 A method receives a plurality of encrypted identifiers and a media identifier collected at a mobile device, the identifiers identifying at least one of the mobile device or a user of the mobile device, and the media identifier indicative of media presented at the mobile device. The method sends a first one of the encrypted identifiers to a first database proprietor associated with the first one of the encrypted identifiers, and a second one of the encrypted identifiers to a second database proprietor associated with the second one of the encrypted identifiers. First user information is then received associated with the first one of the encrypted identifiers from the first database proprietor, and second user information associated with the second one of the encrypted identifiers from the second database proprietor. The method associates at least one of the first user information or the second user information with a media impression logged for the media identifier. "7D00 C a f " "7O1AO A""I " l""// I" /" kIA OfnA/ OAO~nA I Ifn (START) N 0 loo- COLLECT DATA? 50 RETRIEVE MEDIA ID (AND/OR SEARCH TERMSS) RETRIEVE DEVICE/USER IDENTIFIER(S) LOCATE MEDIA ID (AND/OR SEARCH TERM(S)) AND DEVICE/ USER IDENTIFIER(S) IN COLLECTED DATA MESSAGE SEND MEDIA ID (AND/OR SEARCH TERM(S)) AND DEVICE/USER IDENTIFIER(S)TO COLLECTION (QEND