1. A non-transitory computer readable storage medium, comprising executable instructions to: receive primary matched values with corresponding document identifications, wherein the primary matched values correspond to a specified primary value; scan a secondary scalar index to match the document identifications with secondary matched values with corresponding secondary values; scan a tertiary scalar index to match the document identifications with tertiary matched values with corresponding tertiary values; and provide the secondary values and tertiary values as tuples, where each tuple has the specified primary value, a secondary value, a tertiary value and frequency indicia.