5. The system of claim 1 , wherein a fact has an associated metric and wherein the one or more programs include: instructions to produce scores for the facts responsive to the facts' metrics; wherein the instructions to present via the user interface the representation of one or more identified facts of the objects in the set having values describing geographic locations include instructions to present representations of facts responsive to the facts' scores.
6. The system of claim 5 , wherein a respective metric comprises: an importance value indicating a relevance of a fact to its associated object.