| 摘要 |
Methods, systems, and apparatus, including computer program products, in which one or more webpages are identified based on one or more signals associated with an advertisement, a content of each of the webpages, and a property associated with the advertisement, and a performance measure is determined for the advertisement for each of the webpages. An auction score is calculated for the advertisement for each of the webpages based on the performance measure and a bid associated with the advertisement. |
