1. A method for management of federated information in associated knowledge systems, the method comprising: maintaining a data structure, the data structure including associative metadata that correlates a plurality of substantive knowledge entities from a plurality of disparate knowledge bases; monitoring for an access-limiting event on at least one of the substantive knowledge entities; determining the access-limiting event on at least one of the substantive knowledge entities; and responsive to determining the access-limiting event, adding to the associative metadata a persistent audit enhancement indicative of the access-limiting event, the persistent audit enhancement including a timestamp.