MATERIAL_PROPERTY_REPRESENTATION_SCHEMA
short long

e	Application_context
e	Application_context_element
d	Characterized_definition
e	Characterized_object
d	Characterized_product_definition
e	Data_environment
e	Data_environment_relationship
e	General_property
d	Identifier
dr	Label
e	Material_property_representation
e	Product
e	Product_context
e	Product_definition
e	Product_definition_context
e	Product_definition_formation
e	Product_definition_relationship
e	Product_definition_shape
e	Property_definition
e	Property_definition_relationship
er	Property_definition_representation
e	Representation
e	Representation_context
e	Representation_item
d	Represented_definition
e	Shape_aspect
e	Shape_aspect_relationship
d	Shape_definition
dr	Text