4. The method of claim 1 , wherein the similarity between a desired user and a known user comprises a similarity between a historical component of the desired user and a historical component of the known user.
1. A method for adaptive display of an advertisement to look-alike users using a desired user profile dataset, the method comprising: obtaining, by a computer, a plurality of known user profiles of known users who have been recorded to interact with an advertiser, wherein each of the plurality of known user profiles includes: historical components reflecting a stream of events of the known user prior to a current time, and a temporary component reflecting a state of the known user at the current time; automatically creating, by a computer, a plurality of desired user profiles of desired users who are not included in the plurality of known user profiles, wherein each of the plurality of the desired user profiles includes: historical components reflecting a stream of events of the desired user prior to the current time, and a temporary component reflecting a state of the desired user at the current time; scoring, by a computer with a machine-learned model, similarities between the plurality of desired user profiles with the plurality of known user profiles based on the temporal component of the plurality of known user profile and the temporal component of the plurality of desired user profile for adapting to changes of user behavior; selecting, by a computer, a predicted user from the desired users based on the score of the plurality of desired user profile and; and serving, by a computer, an advertisement to the predicted user.