Re: [Virtuoso-users] Issued loading dbpedia 3.2 in virtoso

Thu, 20 Nov 2008 12:52:31 +0000

Hi Marvin,

The attached script is the one used for loading the latest DBpedia 3.2 datasets into the live Virtuoso instance hosting DBpedia, to use:

1. A working awk program must exists in PATH on the system in question
2. The script runs from the  Virtuoso server working directory 
3. The script is run with the following options:

 load_nt.sh <port> <uid> <pass> <file or directory containing N3 dumps> "graph iri"

If the script is started without params usage information will be displayed. Also any bad triples can be found in the bad.nt file after load is completed .

We shall be updating our online docs to use this new script ...

Attachment: load_nt.sh
Description: Binary data


Best Regards
Hugh Williams
Professional Services
OpenLink Software



On 20 Nov 2008, at 03:26, Marvin Lugair wrote:


Hi,
I am trying to load the new dbpedia 3.2 in virtuoso. I am using the dbpedia loading script posted on the virtuoso website http://docs.openlinksw.com/virtuoso/rdfperformancetuning.html

In addition to the error I got in loading the infobocmappingbas file (see my previous email), loading the other files is taking too long... the longabstracts.nt file has been trying to load for more than 3 hours (just for that one file).
I have 8 gigs of ram on a dual core and the ram is not even being maxed in the process.

Here are my questions:
1- Is the a better way to load dbpedia in virtuoso? If yes please send me the script plus the dbpedia.ini file for the best virtuoso settings.
2- Has anyone tried to load all of dbpedia 3.2 core in any RDF store ans succeeded?
3- Is the dbpedia on the dbpedia.org site that has the public sparql point available, is it 3.2? If yes are the datasets loaded the same as the old ones as referenced here: http://wiki.dbpedia.org/DatasetsLoaded?v=cvh


DBPedia is only useful to us if we can do things with it (and hopefully with reasonable speed) and I am trying to get one up and running locally as many queries on the public sparql point time-out.


Your input is much appreciated!

Marv.




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