16. The method of claim 14 , wherein said information retrieved from said social network includes knowledge resource portions of one or more descriptive personal profiles of members of the social network.
14. A computer-implemented method, comprising evaluating, at a first computer system, an information source according to information retrieved by the first computer system from a search over social network defined by relationships between members of the social network, and filtering messages associated with said information source according to an evaluation of relationships of the members.