| 摘要 |
<p>Methods, systems, and apparatus, including computer programs encoded on a computer-readable storage medium, and including a method for selecting content. The method comprises identifying historical data including a log of entries, each entry including a user identifier associated with a given user that accessed a service, a service identifier associated with the service, and a device identifier associated with a device used by the user for accessing the service. The method further comprises evaluating log entries including identifying pairs of log entries that include a same user identifier and a same service identifier but different device identifiers. The method further comprises linking plural devices to a user associated with the same user identifier based on the evaluating when a given device is determined to be likely to be personal to the user, and using historical information associated with the linked devices to select content for delivery to the user.</p> |
