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<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
project.
Copyright (C) 1998-2018 OpenLink Software
This project is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
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: template.sh,v 1.5 2006/04/18 21:59:13 ivan Exp $
-->
<refentry id="fn_rdf_load_rdfa">
<refmeta>
<refentrytitle>DB.DBA.RDF_LOAD_RDFA</refentrytitle>
<refmiscinfo>rdf</refmiscinfo>
</refmeta>
<refnamediv>
<refname>DB.DBA.RDF_LOAD_RDFA</refname>
<refpurpose>Parses the content of RDF embedded as RDFa text as a sequence of separate RDF triples.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis id="fsyn_rdf_load_rdfa">
<funcprototype id="fproto_rdf_load_rdfa">
<funcdef><function>DB.DBA.RDF_LOAD_RDFA</function></funcdef>
<paramdef>in <parameter>rdfa_text</parameter> varchar</paramdef>
<paramdef>in <parameter>omt_top_rdf</parameter> varchar</paramdef>
<paramdef>in <parameter>graph_uri</parameter> varchar</paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 id="desc_rdf_load_rdfa">
<title>Description</title>
<para>Parses the content of RDF embedded as RDFa text as a sequence of separate RDF triples.</para>
</refsect1>
<refsect1 id="params_rdf_load_rdfa">
<title>Parameters</title>
<refsect2><title>rdfa_text</title>
<para>text of document containing RDFa data</para>
</refsect2>
<refsect2><title>omt_top_rdf</title>
<para>base IRI to resolve relative IRIs</para>
</refsect2>
<refsect2><title>graph_uri</title>
<para>the IRI of destination graph</para>
</refsect2>
</refsect1>
<refsect1 id="ret_rdf_load_rdfa"><title>Return Types</title>
<para>The return value is not specified and may be changed in future versions.</para>
</refsect1>
<refsect1 id="examples_rdf_load_rdfa">
<title>Examples</title>
<example id="ex_rdf_load_rdfa"><title>Simple Use</title>
<para>Load from local file:</para>
<screen><![CDATA[
SQL>sparql clear graph <http://virtuoso.openlinksw.com/example>;
Done. -- 2 msec.
SQL>DB.DBA.RDF_LOAD_RDFA (file_to_string ('pricing.html'), 'http://virtuoso.openlinksw.com/pricing/#', 'http://virtuoso.openlinksw.com/example');
Done. -- 106 msec.
]]>
</screen>
<para>Load from URI:</para>
<screen><![CDATA[
SQL>sparql clear graph <http://virtuoso.openlinksw.com/example>;
SQL> DB.DBA.RDF_LOAD_RDFA (http_get('http://virtuoso.openlinksw.com/pricing/'), 'http://virtuoso.openlinksw.com/pricing/#', 'http://virtuoso.openlinksw.com/example');
Done. -- 109 msec.
-- Check total triples retrieved:
SQL>SPARQL
SELECT COUNT(*)
from <http://virtuoso.openlinksw.com/example>
WHERE {?s ?p ?o};
callret-0
INTEGER
_______________________________________________________________________________
1181
1 Rows. -- 16 msec.
]]>
</screen>
</example>
</refsect1>
<refsect1 id="seealso_rdf_load_rdfa">
<title>See Also</title>
<para><link linkend="fn_rdf_load_rdfxml"><function>DB.DBA.RDF_LOAD_RDFXML()</function></link></para>
<para><link linkend="fn_rdf_audit_metadata"><function>DB.DBA.RDF_AUDIT_METADATA()</function></link></para>
<para><link linkend="fn_rdf_backup_metadata"><function>DB.DBA.RDF_BACKUP_METADATA()</function></link></para>
<para><link linkend="fn_rdf_load_rdfa_mt"><function>DB.DBA.RDF_LOAD_RDFA_MT()</function></link></para>
<para><link linkend="fn_ttlp"><function>DB.DBA.TTLP()</function></link></para>
<para><link linkend="fn_ttlp_nt"><function>DB.DBA.TTLP_MT()</function></link></para>
</refsect1>
</refentry>
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