9. The method of claim 1 , where the document is one of a plurality of documents in a group; and where the method further comprises: determining an average date-of-change of the documents in the group based on dates on which contents of the documents changed.
9. The method of claim 1 , where the document is one of a plurality of documents in a group; and where the method further comprises: determining an average date-of-change of the documents in the group based on dates on which contents of the documents changed. 10. The method of claim 9 , further comprising: determining a date on which the content of the document changed; and where generating the score for the document includes: scoring the document based on a difference between the date the document changed and the average date-of-change of the documents in the group.