11. The computer program product as set forth in claim 10 , wherein the search statement further comprises a third search query, said third search query comprising a third search value and at least a third search parameter specifying a third data source to search and wherein the computer program product further comprises instructions for causing the at least one machine to: perform a third search activity for searching a third data source, the third search activity being part of the search strategy, the third search activity using the second result set of documents to identify a third result set of documents, said third result set comprising a sub set of said second result set.
10. The computer program product as set forth in claim 9 , wherein searching comprises: performing the first search activity to identify a first result set of documents; and performing the second search activity using the first result set of documents to identify a second result set of documents, said second result set comprising a sub set of said first result set.