7. The system of claim 6 , wherein the assignment engine further comprises a facet assignment engine that assigns a particular facet to a particular piece of content when a term in the piece of content is contained in the synsets of the facet.
8. The system of claim 7 , wherein the assignment engine further comprises a synset assignment engine that assigns a particular synset to a particular piece of content when a term in the particular piece of content matches a term in the synset.