37. The computer program of claim 20 , wherein generating the query includes identifying tokens that each include at least one value or fragment of a value in a field or a combination of fields of the selected data record.
37. The computer program of claim 20 , wherein generating the query includes identifying tokens that each include at least one value or fragment of a value in a field or a combination of fields of the selected data record. 38. The computer program of claim 37 , wherein the query includes the tokens identified from the selected data record, and tokens that were identified from other received data records and that have a variant relationship to the tokens identified from the selected data record.