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Subject: IRC meeting minutes - 04/18


Here are the rough IRC notes we made during the call.

Svante


Session Ident: #odf-metadata
[Wed:17:14:37] <Svante> Topic:
[Wed:17:14:38] <Svante> The IRI of odf:baseID seems to be redundant with the rdf:about of the manifest itself.
[Wed:17:14:38] <Svante> Although odf:baseID is more verbose than rdf:about, the duplication of the baseID is erraneous
[Wed:17:17:00] * ge has joined #odf-metadata
[Wed:17:25:43] * flr has joined #odf-metadata
[Wed:17:25:44] * pdurusau has joined #odf-metadata
[Wed:17:25:45] <flr> hi
[Wed:17:26:00] <flr> rdf:about="http://my.com#id10";
[Wed:17:26:09] <flr> odf:baseID="http://my.com";
[Wed:17:26:15] <flr> rdf:ID="id10"
[Wed:17:26:27] <Svante> The question is are we using 
[Wed:17:26:29] <Svante> <odf:Package rdf:about="urn:uuid:224ab023-77b8-4396-a75a-8cecd85b81e3" 
[Wed:17:26:30] <Svante> or 
[Wed:17:26:45] <Svante> <odf:Package odf:baseID="urn:uuid:224ab023-77b8-4396-a75a-8cecd85b81e3" 
[Wed:17:28:34] <flr>  <odf:Package odf:baseID="urn:uuid:224ab023-77b8-4396-a75a-8cecd85b81e3" rdf:ID="."
[Wed:17:29:19] <flr> my question: has odf:baseID anything to do with xml:base?
[Wed:17:29:22] <flr> Sample
[Wed:17:29:45] <flr> <rdf:RDF xml:base="http:/my.com">
[Wed:17:30:02] <flr> <rdf:Description rdf:ID="id10">..</rdf:Description>
[Wed:17:30:06] <flr> </rdf:RDF>
[Wed:17:30:07] <flr> .
[Wed:17:30:09] <flr> or
[Wed:17:30:15] <flr> <rdf:RDF>
[Wed:17:30:35] <flr> <rdf:Decription rdf:about="http://my.com#id10";>..</rdef:description>
[Wed:17:30:39] <flr> >/rdf:RDF>
[Wed:17:30:39] <flr> .
[Wed:17:30:46] <Svante> The answer is no, as xml:base is XML file related, in this case related to the RDF/XML metadata manifest file. odf:baseID and rdf:about are describing the whole package/document
[Wed:17:31:06] <flr> right
[Wed:17:31:08] <flr> so
[Wed:17:31:27] <flr> in manifest we have odf:baseID="http://my.com/doc001.odf";
[Wed:17:31:42] <flr> and in content.xml we say
[Wed:17:31:47] <flr> rdf:ID="id10"
[Wed:17:31:50] <flr> which leads to
[Wed:17:32:11] <flr> the same as saying in content.xml trdf:about="http://my.com(doc0001.odf#id10" ???
[Wed:17:32:15] <Svante> We have no rdf:ID in content.xml, just xml:id
[Wed:17:33:00] <Svante> odf:baseID can be any IRI not only URL
[Wed:17:33:47] <Svante> odf:baseId was to describe the document by an IRI
[Wed:17:34:13] <Svante> this can be done as well by using rdf:about of odf:package
[Wed:17:34:22] <flr> so --- is there a mechinsm to build "complete" irirs based on odf:baseID and xml:id???
[Wed:17:34:33] <Svante> no
[Wed:17:34:43] <Svante> We have only a graph of IRIs
[Wed:17:35:09] <Svante> and a relation of odf:elements to IRI and xml:id plus odf:path
[Wed:17:35:40] <Svante> We offered by odf:baseID an IRI to describe the document
[Wed:17:36:08] <Svante> This can now be done by using rdf:about of odf:package
[Wed:17:36:30] <Svante> xml:base is file related not package related, therefore we do not used it
[Wed:17:37:58] <Svante> So we agree to use rdf:about of odf:package to describe the document by an IRI, right?
[Wed:17:38:29] <flr> and ids used in the docs are not prefixed by any IRI automatically, right?
[Wed:17:38:49] <Svante> not automatically
[Wed:17:38:59] <flr> but...
[Wed:17:39:37] <Svante> jar:http://postion-document/mydoc.odt!/content.xml#myID
[Wed:17:40:02] <Svante> Just an URL describing an element
[Wed:17:42:11] <Svante> Our current approach looks like:
[Wed:17:42:12] <Svante> <odf:Package rdf:about="urn:uuid:224ab023-77b8-4396-a75a-8cecd85b81e3"
[Wed:17:42:12] <Svante> 	<dct:hasPart>
[Wed:17:42:12] <Svante> 		<odf:File odf:path="content.xml">
[Wed:17:42:12] <Svante>       <dct:hasPart>
[Wed:17:42:12] <Svante>           <odf:Element rdf:about="urn:uuid:afdc453c-5dc8-4988-8dab-fc378bd9e73d" odf:idref="someID"/>
[Wed:17:42:12] <Svante>       </dct:hasPart>
[Wed:17:42:12] <Svante> 		</odf:File>
[Wed:17:42:12] <Svante> 	</dct:hasPart>
[Wed:17:43:13] <Svante> .
[Wed:17:43:14] <Svante> <odf:Package rdf:about="urn:uuid:224ab023-77b8-4396-a75a-8cecd85b81e3"
[Wed:17:43:14] <Svante> 	<dct:hasPart>
[Wed:17:43:14] <Svante> 		<odf:File odf:path="content.xml">
[Wed:17:43:14] <Svante>       <dct:hasPart>
[Wed:17:43:14] <Svante>           <odf:Element rdf:about="urn:uuid:afdc453c-5dc8-4988-8dab-fc378bd9e73d" odf:idref="someID"/>
[Wed:17:43:14] <Svante>       </dct:hasPart>
[Wed:17:43:14] <Svante> 		</odf:File>
[Wed:17:43:14] <Svante> 	</dct:hasPart>
[Wed:17:44:05] <Svante> 	<dct:hasPart>
[Wed:17:44:05] <Svante> 		<odf:File rdf:about="http://named-graph/example2";
[Wed:17:44:05] <Svante> 			      odf:path="meta/example2.rdf">
[Wed:17:44:05] <Svante> 			<rdf:type rdf:resource="http://example2/data";>
[Wed:17:44:05] <Svante>       <dct:references>
[Wed:17:44:05] <Svante>           <odf:Element rdf:resource="urn:uuid:afdc453c-5dc8-4988-8dab-fc378bd9e73d"/>
[Wed:17:44:05] <Svante>       </dct:references>
[Wed:17:44:05] <Svante> 		</odf:File>
[Wed:17:44:05] <Svante>     </dct:hasPart>
[Wed:17:44:05] <Svante> </odf:Package>
[Wed:17:46:39] <flr> .
[Wed:17:46:39] <flr> .
[Wed:17:46:39] <flr> .
[Wed:17:46:41] <Svante> new topic:
[Wed:17:46:42] <Svante> If there is a subClass of odf:File called odf:Content representing a content file, what is the value of rdf:about?
[Wed:17:46:42] <Svante> Where odf:Content is subclass of odf:File.
[Wed:17:46:42] <Svante> Like   odf:Content a rdfs:Class; rdfs:subClassOf odf:File .
[Wed:17:46:42] <Svante> similar to :Woman a rdfs:Class; rdfs:subClassOf :Person .
[Wed:17:46:42] <Svante> The current state is that only odf:File exists.
[Wed:17:52:46] <Svante> What does IRI of rdf:about in a odf:Content refer to?
[Wed:17:53:15] <Svante> <odf:Content rdf:about="http://docs.oasis-open.org/opendocument/meta/package#Content"; odf:path="content.xml"
[Wed:17:54:03] <Svante> and we also introduce a <odf:Styles
[Wed:17:54:44] <Svante> Those are special files subclasss of odf:Files
[Wed:17:56:07] <Svante> Next Topic:
[Wed:17:56:25] <Svante> There is only one IRI for an Element used in the package
[Wed:17:56:27] <Svante> e.g.  <odf:Element rdf:about="urn:uuid:afdc453c-5dc8-4988-8dab-fc378bd9e73d" odf:idref="someID"/>
[Wed:17:57:23] <Svante> I guess it is fine as we are in a closed environment (the odf package)..
[Wed:17:57:59] <Svante> Next week I will be on vacation and 1.May is a public holiday here in Germany
[Wed:17:58:08] <Svante> Be back on 2nd May
[Wed:17:58:45] <Svante> Last Topic: What about an example document?
[Wed:17:59:01] <flr> yes
[Wed:17:59:08] <Svante> Do you like the idea of a large example, like a business document using RDF?
[Wed:18:01:00] <Svante> Patrick: John Madden had some medical RDF 


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