The complete tutorial for RDF data ingestion in Virtuoso

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Current by Marco Fossati (external)
on Mar 08, 2012 15:23.

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# Tune Virtuoso configuration ({{virtuoso.ini}} file located in your database directory, default is {{database/}}) as per [http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtRDFPerformanceTuning]. In most cases, you just need to change {{NumberOfBuffers}} and {{MaxDirtyBuffers}} parameters depending on your machine specs.
# Put your dataset somewhere in the machine that hosts Virtuoso
# Add the path where you put your dataset to the {{DirsAllowed}} parameter in {{virtuoso.ini}} (make sure all paths are separated by commas)
_e.g. {{DirsAllowed = ., /home/someone/stuff, /home/me/dataset}}_
# Open an {{isql}} connection with the command {{isql <HOST>\[:<PORT>\] <LOGIN> <PASSWORD>}} (default credentials are {{dba dba}})
_e.g. {{isql localhost dba dba}}_
# {{ld_dir('<source-filename-or-directory>', '<file name pattern>', '<graph iri>');}}
_e.g. to load multiple gzipped files, do_
_{{ld_dir('/home/me/dataset/', '*.gz', 'http://my.default.graph');}}_
# {{set isolation='uncommitted';}}
# {{rdf_loader_run();}}