November 03, 2006
SPARQLing OUseful Info
I've just started wondering (for which, read: 'asking naive questions of people who know about this stuff') how to mark up content in a semantic learning environment (and what such an environment might look like), particularly if it was built out of bits of string'n'glue, so the OUseful posts are quite likely to be littered with basic semantic web exploratory doodles over the next few weeks.
For starters, I think I need to find out what I can do around the search tool front, using SPARQL to query RDF stores. At the moment, I haven't got an RDF version of any OpenLearn content up (maybe I'll do a minimal XSLT over the weekend?) so the next best(?) thing (in that I'm familiar with the content of it) is the RDF feed out of the OUseful blog.
The SPARQL processor I'm going to use at first is SPARQLer. Here's an example query using it:
and an example result:
SPARQLer can apply an arbitrary stylesheet to the results, or a JSON results feed (example), as well as the pure XML result.
Which actually (by default) popped up this 'error' dialogue in my browser:
Hmm - might it be handy if I could provide a web application URL that would take 'this sort' of document and display it via a third party website?
Anyway, that's off topic :-) Time to go and learn how to speak SPARQL, I think...
Posted by ajh59 at November 3, 2006 03:46 PM