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Thinking Clearly
Semantics: OWL, RDF, etc.
Next week—next Monday in fact—I shall give the long awaited SPARQL Tutorial.
Woo.
This has taken far too much of my life.
However, I now have slides which are almost, but not entirely, disjoint from the paper which itself is pretty disjoint from my pro ... Continue reading »
Woo.
This has taken far too much of my life.
However, I now have slides which are almost, but not entirely, disjoint from the paper which itself is pretty disjoint from my pro ... Continue reading »
2 years ago
http://pingthesemanicweb.com is great place to locate sample data. Ditto: http://esw.w3.org/topic/SIOC/EnabledSites .
The Oedipus example is one of those samples that obscurs the Semantic Web comprehension process for neophytes. Its too much of a quantum leap (IMHO).
BTW - Great Tutorial!
2 years ago
Two positioning points: The slides are not meant to be stand alone, and the target audience is an intensive summer school for graduate students working in the area. Now, many may just be starting to work in the area, so I'll find out how well I've aimed this on Monday. (I'm also first on the billing, oy!)
I hope these ameliorate the Oedipus example. I like it because it's a great example of reasoning by cases, and, really, it's not that hard to understand. Plus, it has that nice classical flavor!
As for FOAF and SIOC (what's that?) data, I'm not so sure where you think they would have extra force. Do you mean instead of Oedipus? (But then they wouldn't illustrate the difference between distinguished and non-distinguished variables very nicely.) Or do you mean instead of my :mochi examples (which seem harmless).
It would be nice to have better integration with live demos (in fact, I almost did that with the Pellet web demo), but, in the end, for slides, it seemed a little tricky to get it right (and I was way overdue with the slides!) If I do something like this again, I'll try to play more with that.
Also, in the end, it's not really a tutorial about how to use SPARQL, but more about how to think about (only some of!) the challenges of RDF query langauges. There are loads more than I touched on, alas. The account of the semantics is woeful, indeed, in part because we don't have a good theoretical understanding nicely worked out and settled. Shocking, isn't it!