- From: Kingsley Idehen <kidehen@openlinksw.com>
- Date: Tue, 12 Mar 2013 19:41:58 -0400
- To: public-lod@w3.org
- Message-ID: <513FBD46.1030009@openlinksw.com>
On 3/12/13 6:53 PM, Barry Norton wrote: > > 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 Yes. Thus, we just add this to the list of approaches available to those undertaking certain types of data loading tasks :-) Kingsley > > 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 >>>>> <francisco.cifuentes@weso.es <mailto:francisco.cifuentes@weso.es>> >>>>> wrote: >>>>> >>>>> Take a look here: >>>>> >>>>> http://www.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtBulkRDFLoader >>>>> >>>>> Regards >>>>> >>>>> Francisco. >>>>> >>>>> >>>>> 2013/3/12 Kalpa Gunaratna <kalpagunaratna@gmail.com >>>>> <mailto:kalpagunaratna@gmail.com>> >>>>> >>>>> 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 >>> Twitter/Identi.ca handle: @kidehen >>> Google+ Profile:https://plus.google.com/112399767740508618350/about >>> LinkedIn Profile:http://www.linkedin.com/in/kidehen >>> >>> >>> >>> >> > -- Regards, Kingsley Idehen Founder & CEO OpenLink Software Company Web: http://www.openlinksw.com Personal Weblog: http://www.openlinksw.com/blog/~kidehen Twitter/Identi.ca handle: @kidehen Google+ Profile: https://plus.google.com/112399767740508618350/about LinkedIn Profile: http://www.linkedin.com/in/kidehen
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Received on Tuesday, 12 March 2013 23:42:22 UTC