15. The system of claim 13 , further comprising: instructions for associating the first fact with a first object.
15. The system of claim 13 , further comprising: instructions for associating the first fact with a first object. 16. The system of claim 15 , wherein the first object is associated with an object name, and wherein the instructions for retrieving the second document comprise instructions for searching a repository of documents for a document containing the object name.