[rdfweb-dev] RDF Parsers
dave.beckett at bristol.ac.uk
Mon Aug 11 09:35:51 UTC 2003
On Mon, 11 Aug 2003 09:19:32 +0100
Julian Bond <julian_bond at voidstar.com> wrote:
> Edd Dumbill <edd at usefulinc.com> wrote:
> >As I've said elsewhere, RDF parsers
> >are plentiful enough now. There need to be very very strong reasons not
> >to use one.
> I'll try for some light instead of heat ;)
here's some more information
> - Jena seems well respected and widely used
> - ARP. Any comments?
There are at several RDF/XML parsers for Java.
ARP, ARP2 are well respected and very good (although, a bit slow)
Sesame has one of it's own which was reported recently as up-to-date
with the latest specifications.
VRP - was tracking things but I'm not sure how up-to-date it is.
Unique in that it models from Unicode all the way to RDF/XML
in one application.
RDF Filter - an older and un-maintained SAX2 parser, avoid nowdays.
SiRPAC is ancient and was the first RDF parser, avoid nowdays.
> - RDF-API is pretty complete and improving fast. Has trouble with large
> models. It now supports querying triples in a large SQL triple store but
> a model has to be imported into memory before being written to the dbms.
> Nothing else worth looking at.
> - I would love to see a native C PHP module for RDF in the same style as
> DOM, expat, XML-RPC and others.
People seem to like the phpxml stuff.
> - RDF::Core
> - ??
Alberto already replied
> - cwm.py ?
No, incomplete at present.
> - ??
rdflib is very good and complete.
> - Drive. Mixed reports. One person I know threw it out due to bugs and
> function limitations.
I've had good reports of this, especially since V2 has been annouced.
the http://www.driverdf.org/ site notes it is is compliant with the
> - Jason Diamond RDF Reader. That person is trying with this
Not being maintained and out of date, avoid.
> Redland-Raptor. No Windows binaries so that counts it out for me. I
> don't have time to try and create a windows build environment for both
> this and php. Although a lot of my deployment is on LAMP, I develop on
> windows (WAMP!). Build instructions for php are minimal so even on LAMP
> this might be awkward. Consequently, I've no idea if it's any good.
Oh thanks. Not much light from you there after the first 2 words.
It's a parser written in C to start with and up-to-date with the revisions.
As the author, I'll note raptor alone is widely used across multiple
platforms including MS Windows and people seem pretty happy. I tested
it last week on 600M+ of rdf/xml from musicbrainz which it handled at
over 60,000+ triples/second (9.8M triples total) on my year old desktop
Redland's a different, general RDF library in C and provides amongst
other things, parser interfaces across Perl, Python, Java, Tcl, Ruby,
PHP and C#. The later ones in this list I don't support as well as the
I'd hope for less moaning at me for not providing free ($, freedom)
software for a platform I don't use, in a language I don't use. Please
try to be more constructive. If you can't be bothered to spend any
time improving free software, don't expect it to get better on it's own
for your application.
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