On 8/10/13 8:23 AM, Andrei Sambra wrote:
The advantage of using rel="acl" is that if you have a binary file (i.e. a picture), you can use rel="acl" for access control policies and rel="meta" to provide more information about it.
We actually need to register two relations, the problem right now is that we don't seem to be looking at what exists. IANA already has "lrdd" and "describedby" (inversOf "describes) relations that deals with generic metadata that describes a Web resource. The "acl" relation deals with specifically with ACL oriented metadata.
Conclusion: we need to look to what exists and harmonize. You basically end up with the following relationships:
## Turtle based Description of how things look right now ## <http://www.w3.org/ns/auth/acl#accessControl> <http://www.w3.org/2000/01/rdf-schema#label> "acl" ;<http://www.w3.org/2000/01/rdf-schema#domain> <http://xmlns.com/foaf/0.1/Document> ; <http://www.w3.org/2000/01/rdf-schema#range> <http://xmlns.com/foaf/0.1/Document> ;
<http://www.w3.org/2000/01/rdf-schema#subPropertyOf> <#meta>, <http://www.w3.org/1999/xhtml/vocab#lrdd>, <http://www.w3.org/1999/xhtml/vocab#describedby>, <http://www.w3.org/2007/05/powder-s#describedby> ;<http://www.w3.org/2000/01/rdf-schema#comment> """ Associates a Web document with another document that describes its access control rules""" .
<http://www.w3.org/1999/xhtml/vocab#describedby> <http://www.w3.org/2000/01/rdf-schema#label> "describedby" ;<http://www.w3.org/2002/07/owl#equivalenProperty> <http://www.w3.org/2007/05/powder-s#describedby>,
<http://www.w3.org/1999/xhtml/vocab#lrdd>, <#meta>;<http://www.w3.org/2000/01/rdf-schema#domain> <http://xmlns.com/foaf/0.1/Document> ; <http://www.w3.org/2000/01/rdf-schema#range> <http://xmlns.com/foaf/0.1/Document> ; <http://www.w3.org/2000/01/rdf-schema#seeAlso> <http://www.iana.org/assignments/link-relations/link-relations.xhtml> ; <http://www.w3.org/2000/01/rdf-schema#comment> """Refers to a resource providing information about the link's context.""" .
<http://www.w3.org/1999/xhtml/vocab#lrdd> <http://www.w3.org/2000/01/rdf-schema#label> "lrdd" ;<http://www.w3.org/2000/01/rdf-schema#domain> <http://xmlns.com/foaf/0.1/Document> ; <http://www.w3.org/2000/01/rdf-schema#range> <http://xmlns.com/foaf/0.1/Document> ; <http://www.w3.org/2002/07/owl#equivalenProperty> <http://www.w3.org/2007/05/powder-s#describedby>,
<http://www.w3.org/1999/xhtml/vocab#describedby>, <#meta>;<http://www.w3.org/2000/01/rdf-schema#seeAlso> <http://www.iana.org/assignments/link-relations/link-relations.xhtml> ; <http://www.w3.org/2000/01/rdf-schema#comment> """Refers to further information about the link's context, expressed as a LRDD ("Link-based Resource Descriptor Document") resource. See [RFC6415] for information about processing this relation type in host-meta documents. When used elsewhere, it refers to additional links and other metadata. Multiple instances indicate additional LRDD resources. LRDD resources MUST have an "application/xrd+xml" representation, and MAY have others.""" .
<#meta> <http://www.w3.org/2000/01/rdf-schema#label> "meta" ;<http://www.w3.org/2002/07/owl#equivalenProperty> <http://www.w3.org/2007/05/powder-s#describedby>,
<http://www.w3.org/1999/xhtml/vocab#lrdd>, <http://www.w3.org/1999/xhtml/vocab#describedby> ;<http://www.w3.org/2000/01/rdf-schema#domain> <http://xmlns.com/foaf/0.1/Document> ; <http://www.w3.org/2000/01/rdf-schema#range> <http://xmlns.com/foaf/0.1/Document> ; <http://www.w3.org/2000/01/rdf-schema#seeAlso> <http://www.iana.org/assignments/link-relations/link-relations.xhtml> ; <http://www.w3.org/2000/01/rdf-schema#comment> """widely used, but unregistered in IANA and lacks a URI""" .
## End ## Links:1. http://tools.ietf.org/html/rfc5988 -- current list of IANA registered relations 2. http://www.iana.org/assignments/link-relations/link-relations.xhtml -- actual IANA registration page 3. http://kingsley.idehen.net/DAV/home/kidehen/Public/Linked%20Data%20Documents/meta-data-relations-map.txt 4. http://bit.ly/19jqx2P -- document presented via HTML based Linked Data browser (URIBurner instance)
5. http://bit.ly/13rd80y -- ditto via my Personal Data Space instance6. http://bit.ly/19jr0Sy -- ditto via my RWW.IO hosted Personal Data Space instance .
-- Regards, Kingsley Idehen Founder & CEO OpenLink Software Company Web: http://www.openlinksw.com Personal Weblog: http://www.openlinksw.com/blog/~kidehen Twitter/Identi.ca handle: @kidehen Google+ Profile: https://plus.google.com/112399767740508618350/about LinkedIn Profile: http://www.linkedin.com/in/kidehen
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