Metadata for Maintenance Information (MMI)

Metadata for Maintenance Information (MMI) Version: 1.0



MMI 1.0 is an XML Schema implementation derived from ISO 19115-1, Geographic Information - Metadata - Part 1: Fundamentals, Clause 6.5.6. It includes elements describing resource and metadata maintenance. The XML schema was encoded using the rules described in ISO/TS 19139:2007, Clause 8 and implementation approach from ISO/TS19115-3, Clause 8.

Sample XML files for mmi 1.0

CodeLists for mmi 1.0

XML Namespace for mmi 1.0

The namespace URI for mmi 1.0 is

XML Schema for mmi 1.0

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

The XML Schema for mmi 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.

maintenance.xsd implements the UML conceptual schema defined in ISO 19115-1, Geographic Information - Metadata - Part 1: Fundamentals, Clause 6.5.6. 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): MD_MaintenanceFrequencyCode, and MD_MaintenanceInformation

The mmi 1.0 namespace imports these other namespaces:

Name Standard Prefix Namespace Location Schema Location

Geographic COmmon



Metadata Common Classes



Schematron Validation Rules for mmi 1.0

Schematron rules for validating instance documents of the mmi 1.0 namespace are in mmi.sch. Other schematron rule sets that are required for a complete validation are: gco.sch, mcc.sch, and mcc.sch

Working Versions

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