DaimlerChrysler Research and Technology's XMI Automatic DTD Generation Date: Sun Nov 05 16:07:39 GMT+01:00 2000 Metamodel: example _______________________________________________________________ XMI is the top-level XML element for XMI transfer text _______________________________________________________________ _______________________________________________________________ XMI.header contains documentation and identifies the model, metamodel, and metametamodel _______________________________________________________________ _______________________________________________________________ documentation for transfer data _______________________________________________________________ _______________________________________________________________ XMI.model identifies the model(s) being transferred _______________________________________________________________ _______________________________________________________________ XMI.metamodel identifies the metamodel(s) for the transferred data _______________________________________________________________ _______________________________________________________________ XMI.metametamodel identifies the metametamodel(s) for the transferred data _______________________________________________________________ _______________________________________________________________ XMI.content is the actual data being transferred _______________________________________________________________ _______________________________________________________________ XMI.extensions contains data to transfer that does not conform to the metamodel(s) in the header _______________________________________________________________ _______________________________________________________________ extension contains information related to a specific model construct that is not defined in the metamodel(s) in the header _______________________________________________________________ _______________________________________________________________ XMI.difference holds XML elements representing differences to a base model _______________________________________________________________ _______________________________________________________________ XMI.delete represents a deletion from a base model _______________________________________________________________ _______________________________________________________________ XMI.add represents an addition to a base model _______________________________________________________________ _______________________________________________________________ XMI.replace represents the replacement of a model construct with another model construct in a base model _______________________________________________________________ _______________________________________________________________ XMI.reference may be used to refer to data types not defined in the metamodel _______________________________________________________________ _______________________________________________________________ This section contains the declaration of XML elements representing data types _______________________________________________________________ _______________________________________________________________ METAMODEL: example _______________________________________________________________