| http://www.w3.org/ns/prov#value | - The method of claim 1 wherein examining a user profile based on a knowledge associated with a user comprises: assigning the user to at least one cohort, the at least one cohort including at least one of: i) a demographic cohort; ii) a geographic cohort; iii) a latent cohort; and iv) an advertisement preference cohort. 7.
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