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Subject: XMP and OpenDocument Metadata
Greetings! I am not quite ready to post a full response to Alan's ideas on XMP and OpenDocument metadata but I did want to outline some thoughts about how to evaluate those ideas. First, I am preparing a mapping of OpenDocument metadata to the XMP schemas and should have that posted to the group by Saturday or Sunday. I was hoping to finish it today but I am leaving for New York at mid-day and won't have time to finish it before I leave. Some of the schemas, where there is no mapping, I will just refer to by name. Second, I would note that backward compatibility, something Alan mentions specifically in his post, is a concern for OpenDocument as well. If we were to adopt a new metadata syntax, such as XMP or some other syntax, I don't doubt that the new metadata would be more compatible with applications looking for that syntax, but it would be less compatible with applications that use the existing syntax. Since I haven't finished the mapping I can't say for sure but it seems to me that it should be possible to define a "read-as" for the OpenDocument metadata that presents it as a subset of the XMP metadata in RDF serialization. Rather than breaking backward compatibility for applications that use the current OpenDocument syntax, such a mechanism would (outside of the OpenDocument schema proper) enable other applications to read OpenDocument metadata as though it conformed to XMP. A similar approach could be used to read OpenDocument metadata as conforming to other metadata standards. The XMP documentation is quite readable (kudos to the Adobe documentation writers!) and I commend it to all TC members. Apologies for the short response to such a comprehensive posting. Hope everyone is having a great day! Patrick -- Patrick Durusau Patrick@Durusau.net Chair, V1 - Text Processing: Office and Publishing Systems Interface Co-Editor, ISO 13250, Topic Maps -- Reference Model Member, Text Encoding Initiative Board of Directors, 2003-2005 Topic Maps: Human, not artificial, intelligence at work!
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