This document describes the container catalog which is part of a generic approach for exchange of engineering data and its configuration. The container comprises of
| | Engineering objects such as source codes, documentation, compiled objects etc.
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| | Metainformation about the exchanged object such as creator, name, version info and configuration.
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The catalog as described in the following sections is inspired by the RDF (Ressource Data Framework) as published by the World Wide Web Consortioum. RDF describes thing by making statements about it. These statements, called "assertions" are the basic concepts of the catalog.
The statements are given in <ablock> which itself comprises of metadata and the "things" istself resp. a pointer to a file containing the "things".
Like RDF, the catalog is an application of XML as described by the world wide web consortium ( www.w3c.org).
This document describes in general the container catalog dtd. The dtd provides a metadata scheme. It is expected, that the reader is informed about XML.
The particulare application of this scheme must be documented separately.
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