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Subject: Bill's suggestions
Bill, Thanks for the very helpful analysis of the RDF predicate mapping of the 5 RDFX verbs. Paul Trevithick sent me a note with a similar analysis and I believe identical conclusions (we need time to study them closely). I also think that "as" is a brilliant suggestion as the English equivalent of the $data predicate. I kept wondering about that one and you nailed it on the head. See my next message about the recurring question of naming of the five predicates. =Drummond -----Original Message----- From: Barnhill, William [mailto:barnhill_william@bah.com] Sent: Thursday, February 08, 2007 2:11 PM To: xdi@lists.oasis-open.org; xri@lists.oasis-open.org Subject: [xri] RE: [xdi] Re: [xri] Agenda: Joint XRI & XDI TC Telecon 4pm PT Thursday 2007-02-08 I won't be able to attend the telecon, but wanted to post some thoughts on the RDFX doc: It would make seeing the RDF fidelity easier if the five root RDFX predicates table contains a column that maps to the equivalent RDF predicate, specifically: Predicate English Relationship RDF style Predicate $ref "is" equivalence owl:equivalentClass $ref$object "is a" inheritance rdf:type (if subj is an object, owl:class otherwise) $link "has" aggregation exns:hasXXX, where XXX is the property name specified within the link XRI $link$object "has a" composition exns:xxx, where xxx is the property type specified within the link XRI $data "" datatype rdf:parseType I'd also suggest an English phrase for data: "as", ex: "as String" But..is $data meant to represent actual data, or the datatype? Put another way, what is the relationship of @example+foo$data to @example+foo// Exns is the prefix for a domain-specific namespace. On the 3 col graph, I like it, though I'd like to see it bigger to labelling is clearer. On tightening the XRI syntax within the schema there's a fairly easy way that makes it clear, and doesn't impose a further burden on implementers, but does allow them to do automated checking if they want: use schematron extensions within the schema. Bill -- William Barnhill Phone: (315) 491-6765 Associate Email: barnhill_william@bah.com Booz | Allen | Hamilton i-name: =Bill.Barnhill "Delivering results that endure" -----Original Message----- From: laurie.rae@cordance.net [mailto:laurie.rae@cordance.net] Sent: Thursday, February 08, 2007 4:28 PM To: xdi@lists.oasis-open.org; xri@lists.oasis-open.org Subject: [xdi] Re: [xri] Agenda: Joint XRI & XDI TC Telecon 4pm PT Thursday 2007-02-08 Following is the agenda for a joint unofficial telecon of the XRI and XDI TCs at: Date: Thursday, 8 February 2007 USA (Friday morning Asia) Time: 4:00PM - 5:30PM PT Event Description: Weekly unofficial call that will continue until the end of the XRI 2.0 cycle. TO ACCESS THE AUDIO CONFERENCE: Dial In Number: 571-434-5750 Conference ID: 5474 TO ACCESS THE WEB CONFERENCE: Click on the link below: http://209.173.53.68/Login/ParticipantLogIn.asp Conference ID: 5474 We recommend that you test your computer's compatibility before the start of the web conference by accessing the System Test page: http://209.173.53.68/systest/SystemTest.asp AGENDA 1) XRI SYNTAX 2.1 COMPACT SYNTAX PROPOSAL We'll review the most recently updated proposal at: http://wiki.oasis-open.org/xri/XriCd02/CompactSyntax 2) MXRI SYNTAX PROPOSAL We'll review the updated proposal for MXRI syntax. It has been revised to more closely match the HXRI syntax rules. See the final section of: http://wiki.oasis-open.org/xri/XriCd02/Xri2dot1Formats 3) RDFX V2 PROPOSAL REVIEW Drummond, Marty and Laurie will report on the discussion with Mark Wahl on Wednesday, February 7th. We'll also continue last week's discussion about the RDFX proposal by reviewing the updated RDFX V2 proposal at: http://www.oasis-open.org/committees/download.php/22169/xdi-rdfx-model-v 2.pdf Supporting schemas, instance documents and the graph model powerpoint document are available at: http://www.oasis-open.org/committees/documents.php?wg_abbrev=xdi 4) IDENTITY SELECTOR SUPPORT FOR XRI We'll raise the issue about the need to define schema types for XRIs and more specifically for inames/inumbers. We'll define action items for addressing this issue. 5) ADDITIONAL AGENDA ITEMS TO BE DETERMINED
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