filterGroup-example filterGroup-example This is a collection of datasets related to soil Datasets about soil text false true soil keywords attribute AND soil layer dateUploaded beginDate AND 1800-01-01T00:00:00Z 2009-01-01T00:00:00Z isPublic true numberReplicas 1 datasource urn:node:KNB authorLastName Smith authorGivenNameSort Bob AND OR true AND