In fact thanks for the push, Kingsley. That does 'just work' using the
standards HTTP and SPARQL Graph Store Protocol:
$ curl -iX POST -H "Content-Type:text/turtle" -H "Content-Encoding:
gzip" -T DBpediaArtists.nt.gz
localhost:8080/repositories/musicbrainz/rdf-graphs/service?graph=http://dbpedia.org
Cheers,
Barry
On 12/03/13 22:33, Barry Norton wrote:
On 12/03/13 21:49, Kingsley Idehen wrote:
On 3/12/13 4:53 PM, Barry Norton wrote:
Such questions really belong on the Virtuoso list, but don't most
triplestores support the SPARQL Graph Store Protocol by now?
Yes, but when you've got a massive collection of RDF files you still
need to bulk load from a local directory etc..
As below.
Most of my (bash) load scripts look like this:
for file in *; do curl -H "Content-Type:text/turtle" -T $file
your-server/your-database/rdf-graphs/service?graph=your-graph; done
Yes for small files, no for a massive collection of files or a few
very large files :-)
I presume your objection is (small files) the set-up/shutdown
overheard, and (for large files) that these are not necessarily passed
in compressed form? Or have you other objections?
I've always meant to look into 'Content-Encoding: gzip', but I've
always been happy to walk over an uncompressed split of
NTriples/NQuads due to a combination of: the relative time of transfer
relative to canonicalisation and indexing; the desire to split very
large files (e.g. Freebase) to localise errors.
Barry
On 12/03/13 20:36, Kalpa Gunaratna wrote:
actually I tried that (I used the procedure to load DBpedia dump
3.8 which was in gz format as I remember.)
But when I try to load now a dump of DBLP which has .rdf files as
the dump when I uncompress it, I do not know how to load the files.
Following is what I get running bulk load procedure.
SQL> ld_dir(‘/home/kalpa/Virtuoso/data/datasets/DBLP-RKB/models’,
‘*.*’, ‘http://dblp-rkb.org’);
Connected to OpenLink Virtuoso
Driver: 06.01.3127 OpenLink Virtuoso ODBC Driver
*** Error 37000: [Virtuoso Driver][Virtuoso Server]SQ074: Line 1:
syntax error at '.' before '*'
at line 1 of Top-Level:
ld_dir(‘/home/kalpa/Virtuoso/data/datasets/DBLP-RKB/models’, ‘*.*’,
‘http://dblp-rkb.org’)
On Tue, Mar 12, 2013 at 8:27 PM, Francisco Cifuentes
<[email protected] <mailto:[email protected]>>
wrote:
Take a look here:
http://www.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtBulkRDFLoader
Regards
Francisco.
2013/3/12 Kalpa Gunaratna <[email protected]
<mailto:[email protected]>>
Hi,
I have an rdf dump that has data in the form of .rdf
files. I want to load them into a local Virtuoso server so
that I can query them using the local sparql endpoint. But
I see that it is possible to load one RDF/XML file at a
time using the command "DB.DBA.RDF_LOAD_RDFXML_MT". Since
the dump has many files, executing this command many times
is not going to work. What are the other alternatives I
have in loading them to the server? Thank you in advance
for any help!
Regards
Kalpa Gunaratna
--
Francisco Cifuentes-Silva
------------------------------------
WESO Research Group
Facultad de Ciencias
Universidad de Oviedo
Tel: +34 985103397
http://www.weso.es
http://twitter.com/fcifuentes
--
Regards
Kalpa Gunaratna
--
Regards,
Kingsley Idehen
Founder & CEO
OpenLink Software
Company Web:http://www.openlinksw.com
Personal Weblog:http://www.openlinksw.com/blog/~kidehen
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