12. The computer program product of claim 10 , wherein the computer usable program code is further configured to: in response to determining that the index store does not comprise the index document that indicates the resource property and the corresponding property value specified in the query parameter, determine an inability to identify the index document that references the resource in the resource store; and present a notification indicating the inability to identify the resource in the resource store that is associated with the resource property and the corresponding property value specified in the query parameter.
10. The computer program product of claim 7 , wherein the computer usable program code is further configured to: determine a query parameter specifying the property value of the resource property of the resource based, at least in part, on a received query, wherein the query is generated to retrieve the resource from the resource store; search through the index store that comprises the plurality of index documents to identify the index document that indicates the resource property and the corresponding property value specified in the query parameter; determine whether the index store comprises the index document that indicates the resource property and the corresponding property value specified in the query parameter; in response to determining that the index store comprises the index document that indicates the resource property and the corresponding property value specified in the query parameter, identify the index document that indicates the resource property and the property value specified in the query parameter and that references the resource in the resource store; and retrieve the resource from the resource store based on the computer usable program code identifying the index document that indicates the resource property and the property value specified in the query parameter and that references the resource in the resource store.