| 摘要 |
Each bid received via a computer network is an offer for the right to cause at least one advert associated with the bid to be output to at least one device that is part of the computer network or in communication with the computer network in response to the bid being allocated one or more user events. At a time t, at least one rule or decision variable for allocating user events to bids is determined based on bids received before time t and an estimate of bids, user events or user activity occurring after time t. Based on information or data regarding a user event received from one of the devices after time t, the user event is allocated to at least one bid based on the at least one rule or decision variable and the at least one word, term, phrase or string of characters of the bid.
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