Constraints on WFS 2.0 service descriptions. This Schematron (ISO 19757-3) schema specifies constraints regarding the content of WFS 2.0 service capabilities descriptions. The document element must have [local name] = "WFS_Capabilities" and [namespace name] = "http://www.opengis.net/wfs/2.0. The capabilities document must have @version = 2.0.0 . Rules regarding the inclusion of common service metadata elements. The ows:ServiceIdentification element is missing. The ows:ServiceProvider element is missing. The ows:OperationsMetadata element is missing. The wfs:FeatureTypeList element is missing. The fes:Filter_Capabilities element is missing. Implementation conformance statement. See ISO 19142:2010, cl. 8.3.5.3, Table 13. The service constraint 'ImplementsSimpleWFS' has no ows:DefaultValue child. The service constraint 'ImplementsBasicWFS' has no ows:DefaultValue child. The service constraint 'ImplementsTransactionalWFS' has no ows:DefaultValue child. The service constraint 'ImplementsLockingWFS' has no ows:DefaultValue child. The service constraint 'KVPEncoding' has no ows:DefaultValue child. The service constraint 'XMLEncoding' has no ows:DefaultValue child. The service constraint 'SOAPEncoding' has no ows:DefaultValue child. The service constraint 'ImplementsRemoteResolve' has no ows:DefaultValue child. The service constraint 'ImplementsResultPaging' has no ows:DefaultValue child. The service constraint 'ImplementsStandardJoins' has no ows:DefaultValue child. The service constraint 'ImplementsSpatialJoins' has no ows:DefaultValue child. The service constraint 'ImplementsTemporalJoins' has no ows:DefaultValue child. The service constraint 'ImplementsFeatureVersioning' has no ows:DefaultValue child. The service constraint 'ManageStoredQueries' has no ows:DefaultValue child. Simple WFS conformance class. See ISO 19142:2010, cl. 2. The service constraint 'ImplementsSimpleWFS' must be 'true' for all conforming WFS implementations. The service constraint 'KVPEncoding' must be 'true' for all conforming WFS (Simple) implementations (cl. 8.1). The mandatory GET method endpoint for GetCapabilities is missing. The mandatory POST method endpoint for DescribeFeatureType is missing. The mandatory GET method endpoint for ListStoredQueries is missing. The mandatory GET method endpoint for DescribeStoredQueries is missing. The mandatory POST method endpoint for GetFeature is missing. The root element has [local name] = '' and [namespace name] = ''. The reported version is . The reported ServiceType is ''. The reported ServiceTypeVersion is .