| 摘要 |
The subject matter of this specification can be implemented in, among other things, a computer-implemented method for assigning remnant advertisement availabilities including receiving bids for a plurality of advertisement availabilities, each of the bids including an amount being bid for a specific advertisement availability among the advertisement availabilities. The method further includes auctioning the advertisement availabilities using the bids. The method further includes determining, as a result of auctioning the advertisement availabilities, a remaining advertisement availability from the advertisement availabilities that was not auctioned. The method further includes receiving offers for the remaining advertisement availability, each of the offers having corresponding budgets for non-specific advertisement availabilities. The method further includes selecting from the offers an offer having a remaining budget that is greater than or equal to a minimum charge incurred by the remaining advertisement availability. The method further includes assigning the remaining advertisement availability to the selected offer.
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