14. The method of claim 13 , wherein the method further comprises: retrieving a multiplicity of reports from the report database; executing the one or more queries on the multiplicity of reports to determine a match list for each query, wherein the match list comprises the relevance values of the members of the match list; and determining the predetermined value, based upon relevance values of the members of the match list.
13. A method of storing a candidate report, the method comprising: providing a report database; providing the candidate report, wherein the candidate report is a text based structured report with natural language text and the candidate report is not in the report database; providing a query database, wherein the queries are suitable for searching in the report database; retrieving one or more queries from the query database; executing, via a computer processor, the one or more queries on the candidate report to determine the relevance of the candidate report; inferring from the relevance that the candidate report would not have been retrieved had the candidate report been part of the report database and the one or more one or more queries been executed on the report database including the candidate report; and checking the report through the relevance to determine whether the candidate report is a worthwhile addition to the report database, and storing the candidate report in the report database only if the relevance exceeds a predetermined value.