| 摘要 |
Methods, systems, and apparatus, including computer program products, for characterizing content for content targeting. A first content item is recei ved. One or more content boundaries are determined for the first content ite m. The content boundaries segment the first content item into a plurality of segments. One or more respective targeting criteria are determined for at l east one segment. One or more second content items are identified for a resp ective content boundary based on the targeting criteria for one or more of t he segments preceding or succeeding the respective content boundary. Access to the identified second content items is provided for presentation or stora ge on a device. |
