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Subject: RE: [xdi] Groups - xdi-graph-wrapping-up-v2.doc uploaded
Hello Bill, thank you for your feedback. I agreed with the "data uri xref" approach. Only one caveat maybe - which is just related to date/time literals... Here is a note on this topic by Tim Berners Lee Syntax: Allow naked literal (limited, absolute, UTC) date-times in W3C standard format e.g. 2010-06-26 or 2010-06-26T12:04Z. (This format is distinguishable from other numeric forms. Date-times are a common and important datatype and reading and writing them with an explicit datatype is boring. In practice people end up putting them in data on the web as strings which prevents processing software and user agents providing appropriate functionality) (http://www.w3.org/DesignIssues/RDF-Future.html) so instead that having this date expressed in base64, maybe could we have just a string? E.g. =abc+age/$d/(data:,2010-09-20T10:11:12Z) (comma after data: is required according to rfc2397) What do you think? Best Regards, Giovanni Def. Quota "Barnhill, William [USA]" <barnhill_william@bah.com>: > I agree with everything in this document, but want to note something > about the convention used for literal XRIs. > > The following, =abc+age/$d/ā2010-09-20T10:11:12Zā, is not a valid > XRI unless things have changed, due to the quote characters. The > way I have been dealing with this is that XRIs that represent > literals are data URI xrefs, like so: > =abc+age/$d/ā2010-09-20T10:11:12Zā converts to... > =abc+age/$d/(data:text/plain;base64,MjAxMC0wOS0yMFQxMDoxMToxMlo=) > > That said, I'd recommend a statement in the specs that all XDI > parsers MUST transparently convert the form using double quotes to > the XRI/URI compliant form, for the purposes of readability and > adoption. > > Kind regards, > > Bill Barnhill > ________________________________________ > From: giovanni.bartolomeo@uniroma2.it [giovanni.bartolomeo@uniroma2.it] > Sent: Tuesday, January 25, 2011 11:29 AM > To: xdi@lists.oasis-open.org > Subject: [xdi] Groups - xdi-graph-wrapping-up-v2.doc uploaded > > .doc version with some corrections added > > -- Giovanni Bartolomeo > > The document revision named xdi-graph-wrapping-up-v2.doc has been submitted > by Giovanni Bartolomeo to the OASIS XRI Data Interchange (XDI) TC document > repository. This document is revision #1 of notes on the global > graph.pdf. > > Document Description: > An informal note containing a brief but accurate explanation of my > viewpoint on the main global graph concepts. Backward compatibility with > RDF is highlighted and explained whenever it occurs. > > View Document Details: > http://www.oasis-open.org/committees/document.php?document_id=40874 > > Download Document: > http://www.oasis-open.org/committees/download.php/40874/xdi-graph-wrapping-up-v2.doc > > Revision: > This document is revision #1 of notes on the global graph.pdf. The > document details page referenced above will show the complete revision > history. > > > PLEASE NOTE: If the above links do not work for you, your email application > may be breaking the link into two pieces. You may be able to copy and paste > the entire link address into the address field of your web browser. > > -OASIS Open Administration > ---------------------------------------------------------------- Invito da parte dell'Ateneo: Il tuo futuro e quello della Ricerca Scientifica hanno bisogno del tuo aiuto. Dona il 5 x mille all'Universita' di Roma Tor Vergata codice fiscale: 80213750583 http://5x1000.uniroma2.it
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