- From: Dave Raggett <dsr@w3.org>
- Date: Wed, 5 Dec 2007 11:50:12 +0000 (GMT)
- To: public-uwa@w3.org
In regards to modeling contact info, Norm Walsh has done a nice job on modelling vCards and hCards in RDF, see: http://norman.walsh.name/2005/12/05/vcard and it would seem reasonable to use that as a basis for including contact information as part of the DC Ontology. Dave Raggett <dsr@w3.org> http://www.w3.org/People/Raggett On Tue, 27 Nov 2007, Dave Raggett wrote: > Following the discussion at the recent face to face I would like > to consider how to extend the delivery context ontology to cover > location, calendar and contact info, based upon existing work. > > Privacy concerns are clearly very important for such data and this > will act as a brake on application developers. This is something I > intend to address with a forthcoming W3C workshop in 2Q'08. I am > expecting the business models for providing such services to move > through a sequence of phases. A proprietary walled garden approach > is likely to give way to a more open approach as the necessary > standards are put in place, and this will in turn enable a much > bigger pool of developers to innovate with new kinds of > applications that exploit location, calendar and contact data. > > Work on the ontology for such data is a reasonable first step > towards open standards for web applications as the ontology is > decoupled from specific APIs and from the associated access > control mechanisms. The extensions to the delivery context > ontology should in my opinion be based upon existing work, e.g. > > 1) For location we could leverage > > - JSR179, a location API for Java midlets > - GPX, an XML format for exchanging location data > - EXIF extensions for tagging photos with location > > 2) For calendar info, we could leverage vCal and iCalendar > > 3) For contact info, we could leverage vCard > > Google has been doing some potentially related work on common APIs > for building social applications on many websites, see: > > http://code.google.com/apis/opensocial/ > > It currently covers personal profiles, friend relationships, > actions such as uploading a video file, and a persistence API for > accessing data held on the website. It is therefore reasonable to > envisage an expanding collection of APIs for distributed socially > oriented web applications, for example access to location as part > of your friend's presence information. > > We need to discuss the role of standards for ontologies as a means > to avoid market fragmentation, and how to avoid bottle-necks in > the development of such standards. > > I will try to post some more detailed suggestions prior to this > week's telecon. > > Dave Raggett <dsr@w3.org> http://www.w3.org/People/Raggett >
Received on Wednesday, 5 December 2007 11:49:44 UTC