Re: Working on draft iCalendar RDF-schema

also Dan Connolly's RDF schema for Palm datebook and Greg and Jonas'
example data for SKIcal in RDF need to be compared.

all the links should be in 

http://swordfish.rdfweb.org/calendar/links/

Libby

On Tue, 12 Jun 2001, Libby Miller wrote:

> 
> Hi Michael
> 
> The UML version of this you did was an excellent tool. I spend most of
> the weekend writing a full RDF schema for iCalendar (which I have not
> yet checked against various things I should have, e.g. XML schemas, Tim
> Berners-Lee's "A quick look at iCalendar"; also the DAML work on
> datatypes, DAML-S on date instants and durations, the ABC modelling work
> some colleagues of mine have been doing and the RSS event model.) My
> intention is to do a comparison of the various event models and
> approaches in these different models by creating instance data that
> conforms to them. I wanted to have a go at the full iCalendar schema to
> get an overview of the way it works.
> 
> Perhaps we can collaborate on this - it's always good to have different
> perspectives on things like this. So if it's any help to you, the
> annotated draft schema is at
> 
> http://ilrt.org/discovery/2001/06/schemas/ical-full/index.rdf
> 
> I think Aaron is right about the approach to modelling - that's what
> I've tried to do.
> 
> all the best
> 
> libby
> 
> On Mon, 11 Jun 2001, Michael Arick wrote:
> 
> > Hi there:
> > 
> > I've started working on a first draft of an RDF-schema to represent 
> > "all" the information in a standard iCalendar data file.   At first, I 
> > was looking for ways to convert my UML diagrams automatically to RDF, 
> > but I'm pretty sure that's a lost cause because I didn't know much about 
> > RDF before I made the UML, and it's in a pretty incompatible format 
> > (sorry... Dia isn't really a good UML tool...).
> > 
> > Anyway, I'm a bit stuck on one little issue, and I was wondering if any 
> > of you have some ideas on this.
> > 
> > Properties in iCal have values (and parameters that can be set on them). 
> >  Sometimes, they have types that make these values easy to define, but 
> > other times, you have choices for value type (such as Date-Time vs. 
> > Date, but there are others).  
> > 
> > I'm not entirely sure how to represent this kind of choice in RDF.  Any 
> > ideas or pointers to full RDF-schemas I could look at?
> > 
> > -Michael Arick
> > 
> > 
> > 
> 
>

Received on Tuesday, 12 June 2001 06:10:20 UTC