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Subject: Re: [xdi] Beating the RDF drum
Hi Gabe - Good to have another fan of RDF on the list! Here's part of a note I recently sent to some Identity Commons developers regarding one very low impact way to get XRI and link contracts into the RDF/FOAF (Friend of a Friend) community: ============= FOAF uses the mbox field as a primary key. Here's a super-simple FOAF record: <foaf:Person> <foaf:name>Fen Labalme</foaf:name> <foaf:mbox rdf:resource="mailto:fen@idcommons.net" /> <foaf:nick >fen</foaf:nick> <foaf:workplacehomepage rdf:resource="http://fen.net/" /> <foaf:depiction rdf:resource="http://www.fen.net/images/fen_200306_114x160.jpg" /> <foaf:knows> <foaf:Person> <foaf:mbox rdf:resource="mailto:owen@idcommons.net" /> <foaf:name>Owen Davis</foaf:name> </foaf:Person> </foaf:knows> </foaf:Person> Note that one thing being done to increase security is to us the SHA1 hash of the email address instead of the actual email address, so that connections can still be made without giving away a person's actual email address. But this is only one level of indirection, as anyone who has a large address book (I have about 500 technology folk in my address book - I'm sure Marc Canter and Joi Ito have many more!) can easily map the SHA1 hashes to actual email addresses. Other keys can be used by various aggregators and bots, but imagine if instead of putting all this data out publicly, the "mailto:" schema in the mbox field was replaced with "xri:" and pointed to an e-name, access to which was governed by a personal e-broker. This requires ZERO modification to the FOAF protocol while immediately offering the full capabilities of XRI/XDI/Data Brokers and Link Contracts (which, admittedly, doesn't really exist except in theory, yet). But it's a compelling story! ============= Fen Wachob, Gabe wrote: > This is a pretty good article describing the RDF technologies to an XML-focused audience. > > http://www.betaversion.org/~stefano/linotype/news/57/ > > Feel free to ask me questions about RDF (off list unless they are generally relevant), as I think understanding RDF, even if its not used, is pretty important for discussing XDI architecture. > > -Gabe > > > __________________________________________________ > gwachob@visa.com > Chief Systems Architect > Technology Strategies and Standards > Visa International > Phone: +1.650.432.3696 Fax: +1.650.554.6817 >
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