1. A system for assigning semantic characterization to a content stream, comprising: a) a network having a plurality of principals; b) the content stream in the network associated with at least one principal, said content stream having a plurality of phrases; c) a plurality of tokens each associated with one or more phrases, each token comprising metadata about one or more of the associated phrases; d) a plurality of profiles each associated with one or more tokens; and e) one or more semantic records each associated with a profile and a principal.