Abstract: A disclosed example apparatus includes means for storing a logged media impression for a media identifier representative of media accessed via the Internet, means for communicating to send a third-party device identifier or a user identifier corresponding to the user to a database proprietor when a user has not elected to not participate in third-party tracking corresponding to online activities, and receive user information from the database proprietor based on the third-party device identifier or the user identifier, and means for processing to log a demographic impression based on the media impression and the user information, and generate an impression report corresponding to the media based on the demographic impression.

Abstract: Methods and apparatus to associate audience members with over-the-top device media impressions. An example audience measurement apparatus includes a reporting message receiver to receive a first reporting message from a client device coupled to a residential gateway having an internet protocol (IP) address. An AME ID determiner is to assign an audience measurement entity (AME) identifier to the IP address provided by the received first reporting message. A redirect instructor is to send a redirect instruction to the client device to cause the client device to send a second reporting message to a database proprietor, the redirect instruction to include the AME identifier and the IP address. A DP message reporting receiver is to receive, in response to the sent redirect instruction, a third reporting message from the database proprietor that includes a database proprietor (DP) identifier.

Abstract: Methods, apparatus, systems, and articles of manufacture to monitor media are disclosed. An example apparatus includes first means for performing a first mapping of a first media identifier and timestamp to a second media identifier in a look-up table (LUT), the first media identifier and timestamp based on media obtained from a server, the first media identifier to identify the media, means for determining a third media identifier and a second timestamp based on media monitoring information (MMI) obtained from the server, the MMI obtained from the server in response to an access of the media identified by the third media identifier by a media device, second means for performing a second mapping of the third media identifier and the second timestamp to the first media identifier and timestamp in the LUT, and means for crediting access of the media to the media device based on the second mapping.

Abstract: An example method includes receiving a media identifier and a first impression identifier from a media device, the media identifier being indicative of media presented at the media device, receiving the first impression identifier in association with first user information from a first database proprietor as a result of the first database proprietor obtaining a first identifier encrypted with a first encryption key by the media device, and receiving a second impression identifier in association with second user information from a second database proprietor as a result of the second database proprietor obtaining a second identifier encrypted with a second encryption key. The example method further includes identifying the first user information as associated with a user based on the first impression identifier, identifying the second user information as not associated with the user based on the second impression identifier and discarding the second user information.

Abstract: Methods and apparatus to associate audience members with over-the-top device media impressions. An example audience measurement apparatus includes an impression monitoring system to monitor and log media impressions based on impression requests received via network communications from over the top devices. A linkage database system is to implement the impression monitoring system. A processor in circuit with the impression monitoring system is to: generate Internet protocol (IP) address-to-cookie mappings; associate household identifiers of households with ones of the IP address-to-cookie mappings; and associate ones of the household identifiers to the logged media impressions based on IP addresses associated with the media impressions and based on the household identifiers associated with the ones of the IP address-to-cookie mappings.

Abstract: A disclosed example includes a database, a communication interface, and a processor. The database is to store a logged media impression for a media identifier representative of media accessed via the Internet. The communication interface is to send a third-party device identifier or a user identifier corresponding to the user to a database proprietor when a user has not elected to not participate in third-party tracking corresponding to online activities, and receive user information from the database proprietor based on the third-party device identifier or the user identifier. The processor is to log a demographic impression based on the media impression and the user information, and generate an impression report corresponding to the media based on the demographic impression.

Abstract: Methods, apparatus, systems and articles of manufacture are disclosed to associate geographic locations with user devices. An example apparatus includes means for classifying a network that connects a user device to an audience measurement entity based on source identifying information transmitted from the user device, means for determining a geographic location associated with an impression indicated by media identifying information, and means for classifying the geographic location of the user device as a home location based on a timestamp associated with the impression, the timestamp retrieved from a database of user profiles.

Abstract: Methods, apparatus, systems, and articles of manufacture to monitor media are disclosed. An example apparatus includes a media identifier to determine a first media identifier and a first timestamp based on media monitoring information obtained from a content publisher, the first media identifier and the first timestamp from the content publisher, the first media identifier to identify media accessed by a media device, map the first media identifier and the first timestamp to a second media identifier and a second timestamp in a look-up table, the second media identifier and the second timestamp generated by an AME media analyzer before the media device accessed the media, and credit access of the media to the media device based on the mapping, and a report generator to generate a media crediting report based on the crediting.

Abstract: Methods and apparatus to determine ratings information for online media presentations are disclosed. An example system includes a beacon server and an impression monitor server. The beacon server is to send pingback instructions to a client device. The pingback instructions cause the client device to transmit first pingback messages to the impression monitor server at intervals designated by the pingback instructions and in response to a presentation of media via the client device. The pingback instructions further cause the client device to transmit a second pingback message to the impression monitor server in response to a skip request associated with the presentation of the media via the client device. The impression monitor server is to log impressions corresponding to the first pingback messages and the second pingback message. The impression monitor server is also to determine a duration impression for the media based on the logged impressions.

Abstract: Methods, apparatus, systems and articles of manufacture are disclosed to associate geographic locations with user devices. An example apparatus includes means for classifying a network that connects a user device to an audience measurement entity based on source identifying information transmitted from the user device, means for determining a geographic location associated with an impression indicated by media identifying information, and means for classifying the geographic location of the user device as a home location based on a timestamp associated with the impression, the timestamp retrieved from a database of user profiles.

Abstract: An example method includes receiving a media identifier and a first impression identifier from a media device, the media identifier being indicative of media presented at the media device, receiving the first impression identifier in association with first user information from a first database proprietor as a result of the first database proprietor obtaining a first identifier encrypted with a first encryption key by the media device, and receiving a second impression identifier in association with second user information from a second database proprietor as a result of the second database proprietor obtaining a second identifier encrypted with a second encryption key. The example method further includes identifying the first user information as associated with a user based on the first impression identifier, identifying the second user information as not associated with the user based on the second impression identifier and discarding the second user information.

Abstract: Methods and apparatus to determine ratings information for online media presentations are disclosed. An example method includes receiving pingback messages corresponding to presentation of media at a client device, determining a portion of the media that was presented at the client device based on the pingback messages, obtaining demographic information associated with the client device, and determining a demographic characteristic associated with the presentation of the portion of the media based on the pingback messages and the demographic information.

Abstract: Methods, apparatus, systems and articles of manufacture are disclosed to associate geographic locations with user devices. An example apparatus includes means for classifying a network that connects a user device to an audience measurement entity based on source identifying information transmitted from the user device, means for determining a geographic location associated with an impression indicated by media identifying information, and means for classifying the geographic location of the user device as a home location based on a timestamp associated with the impression, the timestamp retrieved from a database of user profiles.

Abstract: An example method includes receiving a media identifier and a first impression identifier from a media device, the media identifier being indicative of media presented at the media device, receiving the first impression identifier in association with first user information from a first database proprietor as a result of the first database proprietor obtaining a first identifier encrypted with a first encryption key by the media device, and receiving a second impression identifier in association with second user information from a second database proprietor as a result of the second database proprietor obtaining a second identifier encrypted with a second encryption key. The example method further includes identifying the first user information as associated with a user based on the first impression identifier, identifying the second user information as not associated with the user based on the second impression identifier and discarding the second user information.

Abstract: Methods and apparatus to collect impressions associated with over-the-top media devices are disclosed. Example disclosed apparatus include a device identifier collector at a first server, the device identifier collector to: receive a first request initiated at a user-controlled client device, the first request including a client device identifier that identifies the user-controlled client device and an over-the-top device identifier that identifies an over-the-top device that presents media via a media presentation device, the over-the-top device different than the user-controlled client device; forward a mapping identifier and the client device identifier to a second server of a database proprietor, the mapping identifier associated with the over-the-top device identifier.

Abstract: Methods and apparatus to collect impressions associated with over-the-top media devices are disclosed. Example disclosed methods involve receiving, at a first Internet domain, a first request from a first client device, the first request including a client device identifier associated with a second client device, and associating the client device identifier with demographics at the first Internet domain, the demographics corresponding to a user of the first client device. Example disclosed methods involve receiving, at the first Internet domain, a second request from the second client device, the second request indicative of media accessed at the second client device, and storing an impression of the media at the first Internet domain by associating a media identifier obtained from the second request with the demographics based on the same client device identifier being associated with the media identifier in the second request and being associated with the demographics.

Abstract: Methods, apparatus, systems and articles of manufacture are disclosed to associate geographic locations with user devices. An example apparatus includes a network classifier to classify a network that connects a user device to an audience measurement entity based on source identifying information transmitted from the user device and a location mapper to determine a geographic location associated with an impression indicated by media identifying information based on a location identifier including at least one of a network address included in the source identifying information and a first mapping that maps the network address to the geographic location when the network is a fixed network and location services information included in the source identifying information and a second mapping that maps the location services information to the geographic location when the network is a mobile network.

Abstract: A disclosed example to monitor access to media includes; a communication interface to send a uniform resource locator (URL) scrape instruction to a client computer in response to a first request from the client computer, the first request indicative of access to the media at the client computer; a processor in circuit with the communication interface; and memory including machine readable instructions that, when executed by the processor, cause the processor to: provide the URL scrape instruction to the communication interface when a URL of a host website of the media is not obtainable by the processor from the first request, the URL scrape instruction to cause the client computer to: (1) read the URL of the host website from an address bar of a web browser at the client computer, and (2) send the URL of the host website to a server; and store a logged impression of the media in association with the URL of the host website from the client computer.

Abstract: An example method includes receiving a media identifier and a first impression identifier from a media device, the media identifier being indicative of media presented at the media device, receiving the first impression identifier in association with first user information from a first database proprietor as a result of the first database proprietor obtaining a first identifier encrypted with a first encryption key by the media device, and receiving a second impression identifier in association with second user information from a second database proprietor as a result of the second database proprietor obtaining a second identifier encrypted with a second encryption key. The example method further includes identifying the first user information as associated with a user based on the first impression identifier, identifying the second user information as not associated with the user based on the second impression identifier and discarding the second user information.

Abstract: A disclosed example includes a database, a communication interface, and a processor. The database is to store a logged media impression for a media identifier representative of media accessed via the Internet. The communication interface is to send a third-party device identifier or a user identifier corresponding to the user to a database proprietor when a user has not elected to not participate in third-party tracking corresponding to online activities, and receive user information from the database proprietor based on the third-party device identifier or the user identifier. The processor is to log a demographic impression based on the media impression and the user information, and generate an impression report corresponding to the media based on the demographic impression.