510FYI: some use of DOIs
- May 2, 2006
DOIs are Digital Object Identifiers, somewhat equivalent to NewsML urns.
CrossRef, the citation linking service, announced today that over 20 million content entities had been registered in the CrossRef system since its inception in early 2000. The majority of these Digital Object Identifiers (DOIs) are assigned to online journal articles.
Currently, the approach of the IPTC regarding the identification of Items in NewsML2 is to use NewsML urns with some revamping still to be spec-ed (the version removed from the urn and put on the side as a version attribute in the Item).
At the power conformance level, Items can also contain alternate identifiers of their content, eg a DOI.
Should the guid be opened to other identification schemes (DOIs, tag URIs or info URIs)? This is something we can re-discuss one day.
Laurent Le Meur
IPTC NAR chair
Agence France Presse
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