GML References

• Galdos Systems' GML resources
• GML Application Schema listing on Wikipedia
• Electronically accessible documents that describe how to create GML Application Schemas
• Developing and Managing GML Application Schemas
• Clemens Portele ISO TC 211 presentation on GML Application schemas
• GML based model of Indian NSDE format for Geo Spatial Data Interoperability
• Public Petroleum Data Model (PPDM) GML Data Exchange Project
• GML Best Practices Guide
  Section 6 describes creating feature Application Schemas using GML 3.0. Since this document is over two years old, a few details are obsolete for GML 3.1.1 and URNs in the "ogc" URN namespace.
• GML simple features profile
  Clause 8 describes creating feature Application Schemas using this profile (OGC document 05-033r8).

Other GML docments, articles, and reference materials

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  Topological and temporal modelling in GML: Discussion of the use of GML for the Dutch National Cadastre and the issues and solutions related to this activity.

• Early introduction to GML. This is a dated article based on GML 1.0 but provides an excellent historical and conceptual perspective regarding GML.