1. A method for providing for display a map that graphically represents the association between a first document and a second document that analyzes the first document, the method comprising: receiving, at a computer, a request to generate the map; in response to the received request, retrieving from a database analysis information related to the way in which the second document analyzed the first document; and providing for display the map, wherein the map comprises a first node, a second node, and a connector, wherein: the first node corresponds to the first document; the second node corresponds to the second document; the connector graphically links the first node and the second node; and the second node includes a graphical representation of the analysis information.