Data Quality Common Classes (DQC)

Data Quality Common Classes (DQC) Version: 1.0



DQC 1.0 is an XML Schema implementation derived from ISO 19157, Geographic Information - Data Quality, Clause 6.4. It includes abstract classes shared by multiple namespaces and is required in order to enable modularization of the XML implementation. The XML schema was encoded using the rules described in ISO/TS 19115-3, Clause 8.

XML Namespace for dqc 1.0

The namespace URI for dqc 1.0 is

XML Schema for dqc 1.0

dqc.xsd is the XML Schema document to be referenced by XML documents containing XML elements in the dqc 1.0 namespace or by XML Schema documents importing the dqc 1.0 namespace. This XML schema includes (indirectly) all the implemented concepts of the dqc namespace, but it does not contain the declaration of any types.

The XML Schema for dqc 1.0 are available here. A zip archive including all the XML Schema Implementations defined in ISO/TS 19115-3 and related standards is also available.

abstract.xsd implements the UML conceptual schema defined in ISO 19157, Geographic Information - Data Quality, Clause 6.4. It was created using the encoding rules defined in ISO 19118, ISO 19139, and the implementation approach described in ISO 19115-3 and contains the following classes (codeLists are bold): Abstract_DataQuality, and Abstract_QualityElement

The dqc 1.0 namespace imports these other namespaces:

Name Standard Prefix Namespace Location Schema Location

Geographic COmmon



Working Versions

When revisions to these schema become necessary, they will be managed in the ISO TC211 Git Repository.