3. The method of claim 1 , wherein adjusting the measure of relevance comprises weighting the user selections based on recency of document viewing grouped into time span categories.
3. The method of claim 1 , wherein adjusting the measure of relevance comprises weighting the user selections based on recency of document viewing grouped into time span categories. 5. The method of claim 3 , wherein the time span categories comprise less than two weeks old, two to four weeks old, four to six weeks old, six to eight weeks old, and more than eight weeks old, and the weighting comprises: applying no weighting to selections that are less than two weeks old; applying at least a fifteen percent reduction weighting to selections that are two to four weeks old; applying at least a fifty percent reduction weighting to selections that are four to six weeks old; applying at least a seventy five percent reduction weighting to selections that are six to eight weeks old; and applying at least a ninety percent reduction weighting to selections that are more than eight weeks old.