The W3C Multimedia Semantics Incubator Group has just
published its final report "Multimedia Vocabularies on the Semantic
Web."
Abstract: This document gives an overview on the state-of-the-art of multimedia metadata formats. Initially, practical relevant vocabularies for developers of Semantic Web applications are listed according to their modality scope. In the second part of this document, the focus is set on the integration of the multimedia vocabularies into the Semantic Web, that is to say, formal representations of the vocabularies are discussed.
Link: http://www.w3.org/2005/Incubator/mmsem/XGR-vocabularies/
See also W3C Multimedia Semantics Incubator Group: http://www.w3.org/2005/Incubator/mmsem/
The document is not error-free about NewsML-G2:
The name of the NAR has been changed by the IPTC to "News Architecture for G2 standards" and NewsML-G2 is now the name of the (future) IPTC standard focused on general news (text/photo/graphics/audio/video). NewsML (V1.2 being the latest version) is kept as the name of the current IPTC standard with its current syntax.
It would be also worth noting that EBU is working or replacing P/Meta by NewsML-G2.
Note: Another misleading fact is that XMP (the Adobe framework) is merged with the "IPTC Metadata for XMP" standard, which relies on XMP for expressing still image metadata. Therefore IPTC4XMP should be included as a "Multimedia Metadata Formats For Describing Still Images" (this may be soon the most used one in fact, as soon as the legacy IPTC headers fade away from photo processing softwares).
But the important part is: NewsML-G2 is considered by the W3C MMSEM as a multimedia metadata format that is worth considering.
Thanks to Raphaël Troncy, member of the MMSEM group, for his interest. Hope we will find some time to achieve a work on an OWL ontology for NewsML-G2.
Laurent Le Meur
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