- From: Martin Hepp (UniBW) <martin.hepp@ebusiness-unibw.org>
- Date: Thu, 23 Jul 2009 11:33:37 +0200
- To: Dan Brickley <danbri@danbri.org>
- CC: Peter Mika <pmika@yahoo-inc.com>, Renato Iannella <renato@nicta.com.au>, Toby Inkster <tai@g5n.co.uk>, Harry Halpin <hhalpin@ibiblio.org>, Norman Walsh <ndw@nwalsh.com>, Brian Suda <brian.suda@gmail.com>, www-archive@w3.org
- Message-ID: <4A682E71.3040302@ebusiness-unibw.org>
I personally think that alignment with the non-RDF vcard is only one issue among others, as long as it is straightforward to populate the vcard-RDF structures from vCards and vice versa. What we really need is a consensual, practical schema for 90% of the contact data in web resources. Martin Dan Brickley wrote: > On 23/7/09 11:07, Peter Mika wrote: >> >>> >>> peter - would you share those publicly, please? >> >> Sure, here is my cost/benefit analysis on tel as a resource: >> >> >> Benefits: >> >> -- Slightly easier data integration, e.g. using SPARQL queries. However, >> how many people are doing data integration using SPARQL alone? >> -- We would like to be compatible with the ontology... (or should the >> ontology be changed?) >> >> Costs: >> >> -- Gives the illusion of a resource that you can dereference. Tom Heath >> these days is on the road with an excellent Linked Data presentation >> that explicitly advises against using non-http URIs. >> -- There is not much anyone would ever want to say about a phone number, >> which would be the most common reason for making something a resource. >> -- Sites owner are expected to read an RFC on how to write down a >> telephone number, and then figure out the transformation from their >> internal representation to the scheme. Not likely to happen... >> -- Search engines index URIs differently than literals or not at all. In >> this case, this behaves as a literal in that I want it to be indexed. > > Also consider recent changes to vCard underway at IETF: see > http://danbri.org/words/2008/06/25/348 for a summary. > > Latest seems to be > http://www.ietf.org/id/draft-ietf-vcarddav-vcardrev-08.txt > > """7.4. Communications Properties > > These properties are concerned with information associated with the > way communications with the object the vCard represents are carried > out. > > 7.4.1. TEL > > Purpose: To specify the telephone number for telephony communication > with the object the vCard represents. > > Value type: A single URI value. It is expected that the URI scheme > will be "tel", as specified in [RFC3966], but other schemes MAY be > used. > """ > > Mention is also made of the mailto: URI scheme (surely this is still > ok to use, privacy issues aside), and a "geo" URI scheme > [I-D.mayrhofer-geo-uri] that I don't know much about. > > If the goal of this vocabulary is to reflect the IETF vCard vocab, > keeping close to trends in vCard-land might be prudent... > > cheers, > > Dan > -- -------------------------------------------------------------- martin hepp e-business & web science research group universitaet der bundeswehr muenchen e-mail: mhepp@computer.org phone: +49-(0)89-6004-4217 fax: +49-(0)89-6004-4620 www: http://www.unibw.de/ebusiness/ (group) http://www.heppnetz.de/ (personal) skype: mfhepp twitter: mfhepp Check out the GoodRelations vocabulary for E-Commerce on the Web of Data! ======================================================================== Webcast: http://www.heppnetz.de/projects/goodrelations/webcast/ Talk at the Semantic Technology Conference 2009: "Semantic Web-based E-Commerce: The GoodRelations Ontology" http://tinyurl.com/semtech-hepp Tool for registering your business: http://www.ebusiness-unibw.org/tools/goodrelations-annotator/ Overview article on Semantic Universe: http://tinyurl.com/goodrelations-universe Project page and resources for developers: http://purl.org/goodrelations/ Tutorial materials: Tutorial at ESWC 2009: The Web of Data for E-Commerce in One Day: A Hands-on Introduction to the GoodRelations Ontology, RDFa, and Yahoo! SearchMonkey http://www.ebusiness-unibw.org/wiki/GoodRelations_Tutorial_ESWC2009
Received on Thursday, 23 July 2009 09:55:06 UTC