4. The method of claim 1 , further comprising: receiving keyword search terms in a search field of the user interface; applying in the memory of the host computing system a keyword search operation to the unstructured data using the keyword search terms; aggregating the result set from the keyword search operation with the result set from the filter operation; and, displaying in the user interface the aggregation.
5. The method of claim 4 , further comprising: identifying amongst the keyword search terms any terms known to correspond to existing ones of the tags of the structured data; excluding from the keyword search operation the identified keyword search terms; and, performing the filter operation with the identified keywords search terms as filter criteria.