6. The system of claim 1 , wherein: said field is a first field; the field generator is further configured to create the first field and a second field; wherein the particular template further specifies how the search input in the first field and the second field is compared to the one or more data structures in the one or more data sources.
6. The system of claim 1 , wherein: said field is a first field; the field generator is further configured to create the first field and a second field; wherein the particular template further specifies how the search input in the first field and the second field is compared to the one or more data structures in the one or more data sources. 7. The system of claim 6 , wherein the particular template further comprises query specification data that is used by a query formulator to generate a structured query comprising: a first clause based on a first input from the first field; a second clause based on a second input from the second field; and a logical operator that specifies a relationship between the first clause and the second clause.