34. The system of claim 28 , wherein each respective entity tuple in the output list is accompanied by a listing of a subset of the plurality of documents, from which that entity tuple is identified.
34. The system of claim 28 , wherein each respective entity tuple in the output list is accompanied by a listing of a subset of the plurality of documents, from which that entity tuple is identified. 35. The system of claim 34 ; wherein the listing includes a respective excerpt from each of the subset of the plurality of documents, each respective excerpt including the respective entity that is matched to the input query to identify that entity tuple.