Re: sql, rdf

U¿ytkownik "Gregg Reynolds" <[email protected]> napisa³ w wiadomo¶ci
news:[email protected]...
> [originally posted to xpcom list]
>
> I'm thinking of using XUL to prototype a relatively simple system
> involving schools, teachers, students, classes, test docs, etc.  Schools
> have teachers and students, students are in a grade, each doc has a
> subject, belongs to a student, etc.
>
> I was going to do this using one of the sql interfaces, but I couldn't
> get the sql thingee to work, either for sqlite or mysql.  So I've looked
> in to RDF a little bit.  If I have only a few hundred records, I wonder
> if it would be faster just to hack up some RDF data and use that.

recommend you: http://www.w3.org/TR/rdf-primer/ to get to know
rdf better

>
> But I find it rather a hard slog making sense out of RDF. In any case,
> does anybody out there have any advice on the wisdom of such an
> approach?  It looks like RDF would be pretty useful once learned, but if
> working with RDF data and interfaces is anywhere near as complicated and
> excruciating as getting through the documentation, then I would have to
> say no, thanks anyway, I'd rather have a tooth pulled without
> anaesthesia. Would my time be better spent figuring out what I'm doing
> wrong with the SQL components or learning RDF?  Or are they best taken
> together?

I'm not sure if I didn't misunderstood you but there is RDQL
- a language for quering RDF files with SQL-like syntax. The engine
implementing
usage of that is JENA java package at: http://jena.sourceforge.net/
(there good documentation, also)

>
> Thanks,
>

Best

Maciek