2. The method of claim 1 , further comprising: receiving a new user input; and using a result of the learning to identify a group of documents to be potentially provided as an output.
2. The method of claim 1 , further comprising: receiving a new user input; and using a result of the learning to identify a group of documents to be potentially provided as an output. 8. The method of claim 2 , wherein the selecting the subset comprises: eliminating at least some of the documents in the group based upon a threshold “p”.