About: VirtSetPrefixNames

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type	Comment atom:Entry
Date Created	2017-06-13 05:37:05.188677(xsd:dateTime)
Date Modified	2017-06-13 05:37:05.188677(xsd:dateTime)
label	VirtSetPrefixNames
maker	WebDAV System Administrator owiki
Title	VirtSetPrefixNames
isDescribedUsing	http://vos.openlinksw.com/dataspace/owiki/wiki/VOS/VirtSetPrefixNames/sioc.rdf
has creator	http://vos.openlinksw.com/dataspace/dav#this http://vos.openlinksw.com/dataspace/owiki#this
content	---+Set Standard Prefix Names for common vocabularies In order to set standard prefix names for common vocabularies on dumps to either .n3 or .ttl, you should use the <code>[[http://docs.openlinksw.com/virtuoso/fn_xml_set_ns_decl.html][xml_set_ns_decl]]</code> Virtuoso function. The initial list of namespace declarations can be found by executing from iSQL or Conductor UI: <verbatim> SQL> SELECT * FROM DB.DBA.SYS_XML_PERSISTENT_NS_DECL; </verbatim> ---++Example 1. Load the ontology, for ex.: <verbatim> SQL> DB.DBA.RDF_LOAD_RDFXML (http_get('http://lod.taxonconcept.org/ontology/txn.owl'), '', 'http://lod.taxonconcept.org/ontology/txn.owl#'); Done. -- 109 msec. </verbatim> 1 Check total triples retrieved: <verbatim> SQL>SPARQL SELECT COUNT() from <http://lod.taxonconcept.org/ontology/txn.owl#> WHERE {?s ?p ?o}; callret-0 INTEGER _______________________________________________________________________________ 495 1 Rows. -- 16 msec. </verbatim> 1 Register the XML NS prefix: <verbatim> SQL>DB.DBA.XML_SET_NS_DECL ('txn', 'http://lod.taxonconcept.org/ontology/txn.owl#', 2); Done. -- 0 msec. </verbatim> 1 Use the prefix, for ex. executing: <verbatim> SQL>SPARQL SELECT COUNT() WHERE { ?s ?p txn:SpeciesConcept }; callret-0 INTEGER _______________________________________________________________________________ 25 1 Rows. -- 0 msec. </verbatim>
id	d0f00dab8533d0249d13cc6d0de2f37b
link	VirtSetPrefixNames
has container	owiki's Wiki
http://rdfs.org/si...ices#has_services	ODS Wiki item services
atom:title	VirtSetPrefixNames
links to	http://docs.openlinksw.com/virtuoso/fn_xml_set_ns_decl.html
atom:source	owiki's Wiki
atom:author	WebDAV System Administrator
atom:published	2017-06-13T05:37:05Z
atom:updated	2017-06-13T05:37:05Z
topic	owiki's Wiki
is made of	WebDAV System Administrator
is container of of	owiki's Wiki
is link of	VirtSetPrefixNames
is http://rdfs.org/si...vices#services_of of	ODS Wiki item services
is links to of	VOSIndex
is creator of of	http://vos.openlinksw.com/dataspace/dav#this http://vos.openlinksw.com/dataspace/owiki#this
is atom:entry of	owiki's Wiki
is atom:contains of	owiki's Wiki

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