# Annex A

(normative)

# Computer interpretable listings

This annex contains a listing of the complete EXPRESS schema combining all definitions of clauses 5, 6, 7, and 8 without comments or other explanatory text. These listings are available in computer-interpretable form that may be parsed by computer.

> NOTE A ".txt" extension has been appended to the name of the ASCII file in order to ensure that it displays properly in a web browser. To use one of these files in a software application, remove the ".txt" extension.

Schemas are also published at the following URLs:

- IFC EXPRESS: http://buildingsmart-tech.org/ifc/IFC4/final/IFC4.exp
- ifcXML XSD: http://www.buildingsmart-tech.org/ifcXML/IFC4/final/ifcXML4.xsd
- ifcXML Config: http://www.buildingsmart-tech.org/ifcXML/IFC4/final/config/ifcXML4_config.xml

#### Schema definitions

This schema is defined within EXPRESS and XSD files.

Description | ASCII file | HTML file
--- | --- | ---
IFC EXPRESS long form schema | ifc4.exp | ifc4.exp.htm
IFC XSD long form schema | ifcXML4.xsd | ifcXML4.xsd.htm

#### Property and quantity templates

Property sets and quantity sets are defined within IFC-SPF and IFC-XML files.

Description | ASCII file | HTML file
--- | --- | ---
IFC-SPF property and quantity templates | ifc4.ifc |
IFC-XML property and quantity templates | ifc4.ifcxml |