Hi Soumia, ld_dir() just registers the datasets to be loaded in the “DB.DBA.load_list” table, you then need to query to table to check the files have been register to load and then run the “rdf_loader_run()” function to actually perform the load which might take some time depending on how many of the datasets are being loaded, speed of machine etc. The ll_state param of the load_list table is using to check whether a dataset has been loaded or not; 0 not loaded; 1 load in progress; 2 load complete; the ll_error logs any errors that occur loading a specific dataset file. This is all detailed at:
http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtBulkRDFLoader
http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtBulkRDFLoaderExampleDbpedia
Do note the performance tuning page to tune Virtuoso for best performance on
your hardware:
http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtRDFPerformanceTuning
Best Regards
Hugh Williams
Professional Services
OpenLink Software, Inc. // http://www.openlinksw.com/
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On 12 Apr 2012, at 14:39, soumia sefsafi wrote:
> Hi,
> I am a newbe in dbpedia benchmark, i've installed virtuoso and i have
> download dbpedia benchmark from http://aksw.org/Projects/DBPSB and i've
> loaded into virtuoso using:
> SQL> ld_dir('/home/username','*.nt','http://dbpedia.org'); but i don't know
> how to verify in virtuoso
> that i've all the data in dbpedia and how can i have sparql test queries.
>
> thx for ur help.
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