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How to define Internet Media Type in RDF - is there a namespace? Yes - but not an official one. See http://answers.semanticweb.com/questions/639/is-there-a-namespace-to-describe-mimetypes-and-encodings and http://mediatypes.appspot.com/
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| @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . | |
| @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . | |
| @prefix dcterms: <http://purl.org/dc/terms/> . | |
| @prefix dcam: <http://purl.org/dc/dcam/> . | |
| <http://example.com/page.html> dcterms:format <http://purl.org/NET/mediatypes/text/html> . | |
| <http://purl.org/NET/mediatypes/text/html> a dcterms:FileFormat ; | |
| dcam:memberOf dcterms:IMT ; | |
| rdf:value "text/html" ; | |
| rdfs:isDefinedBy <http://mediatypes.appspot.com/dump.rdf> ; | |
| rdfs:label "HTML document" . |
http://mediatypes.appspot.com/ appears to be down :-(
This is now up: http://13.236.122.60/dataset/mediatypes/ with PIDs like this: http://w3id.org/mediatype/text/turtle. Very happy for suggestions as to how to make it great at https://github.com/nicholascar/mediatypes-dataset.
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This is a hybrid - it provides the dcterms details of the media type directly - but uses the namespaces of http://purl.org/NET/mediatypes/ rather than anonymous nodes.
Sadly the mediatypes URLs don't resolve properly to RDF - and the RDF at http://mediatypes.appspot.com/dump.rdf is also quite sparse - it has no such statements as above, for instance.