GML References
- Galdos Systems' GML resources
- 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).
- Developing and Managing GML Application Schemas


More information from Ron Lake and David Arctur
More information from Ron Lake and David Arctur