4. The system of claim 1 , wherein the document-based search component is configured to return the individual document identifiers corresponding to the individual matching documents according to rank.
4. The system of claim 1 , wherein the document-based search component is configured to return the individual document identifiers corresponding to the individual matching documents according to rank. 5. The system of claim 4 , wherein the retrieval component is configured to retrieve a number of the co-occurring related named entities in the returned individual matching documents.