10. The method of claim 7 , further comprising: identifying one or more common attributes associated with the subset of documents; and outputting the common attributes to a user.
10. The method of claim 7 , further comprising: identifying one or more common attributes associated with the subset of documents; and outputting the common attributes to a user. 12. The method of claim 10 , wherein the attributes are identified in response to a user request regarding a query topic.