25. The computer program product of claim 23 , wherein the deriving comprises deriving a document control policy that aggregates policy components, defaulting to more conservative policy components, from the multiple document control policies associated with the child nodes in the document control policy ontology.
23. The computer program product of claim 21 , the operations further comprising deriving a document control policy for a parent node in the document control policy ontology based on a combination of multiple document control policies associated with child nodes of the parent node in the document control policy ontology; and associating the derived document control policy with the parent node in the document control policy ontology.