US8429012B2
patent
A system obtains a first parameter (QP) associated with a quality of an advertisement among multiple advertisements, where the first quality parameter (QP) does not include a click through rate (CTR). The system functionally combines the first quality parameter (QP) with at least one other parameter and uses the functional combination to filter, rank or promote the advertisement among the multiple advertise
22 claims. 106,543 characters of text.