<docbook><section><title>DrupalREFExample2</title><bridgehead class="http://www.w3.org/1999/xhtml:h4">Dump of all Drupal Feeds Posts</bridgehead>
 <programlisting>PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
PREFIX aowl:&lt;http://atomowl.org/ontologies/atomrdf#&gt;
PREFIX dc: &lt;http://purl.org/dc/elements/1.1/&gt;
PREFIX dct: &lt;http://purl.org/dc/terms/&gt;
PREFIX sioc: &lt;http://rdfs.org/sioc/ns#&gt;
SELECT *
WHERE 
  {
    ?post rdf:type aowl:Entry.
    OPTIONAL { ?post aowl:title ?title}.
    OPTIONAL { ?post aowl:link ?link}.
    OPTIONAL { ?post aowl:content ?content }.
    OPTIONAL { ?post dct:created ?created }.
  }
</programlisting><bridgehead class="http://www.w3.org/1999/xhtml:h4">Sample Data (Live Query Results)</bridgehead>
<itemizedlist mark="bullet" spacing="compact"><listitem>View Query Results <ulink url="http://demo.openlinksw.com/sparql?default-graph-uri=&amp;should-sponge=&amp;query=PREFIX+rdf%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F1999%2F02%2F22-rdf-syntax-ns%23%3E%0D%0APREFIX+aowl%3A%3Chttp%3A%2F%2Fatomowl.org%2Fontologies%2Fatomrdf%23%3E%0D%0APREFIX+dc%3A+%3Chttp%3A%2F%2Fpurl.org%2Fdc%2Felements%2F1.1%2F%3E%0D%0APREFIX+dct%3A+%3Chttp%3A%2F%2Fpurl.org%2Fdc%2Fterms%2F%3E%0D%0APREFIX+sioc%3A+%3Chttp%3A%2F%2Frdfs.org%2Fsioc%2Fns%23%3E%0D%0ASELECT+*%0D%0AWHERE+%0D%0A++%7B%0D%0A++++%3Fpost+rdf%3Atype+aowl%3AEntry.%0D%0A++++OPTIONAL+%7B+%3Fpost+aowl%3Atitle+%3Ftitle%7D.%0D%0A++++OPTIONAL+%7B+%3Fpost+aowl%3Alink+%3Flink%7D.%0D%0A++++OPTIONAL+%7B+%3Fpost+aowl%3Acontent+%3Fcontent+%7D.%0D%0A++++OPTIONAL+%7B+%3Fpost+dct%3Acreated+%3Fcreated+%7D.%0D%0A++%7D&amp;format=text%2Fhtml&amp;debug=on">(via SPARQL Protocol URL)</ulink> </listitem>
<listitem>View Query Results <ulink url="http://demo.openlinksw.com/view/?format=application%2Frdf%2Bxml&amp;maxrows=50&amp;query=%0APREFIX%20rdf%3A%20%3Chttp%3A%2F%2Fwww.w3.org%2F1999%2F02%2F22-rdf-syntax-ns%23%3E%0APREFIX%20aowl%3A%3Chttp%3A%2F%2Fatomowl.org%2Fontologies%2Fatomrdf%23%3E%0APREFIX%20dc%3A%20%3Chttp%3A%2F%2Fpurl.org%2Fdc%2Felements%2F1.1%2F%3E%0APREFIX%20dct%3A%20%3Chttp%3A%2F%2Fpurl.org%2Fdc%2Fterms%2F%3E%0APREFIX%20sioc%3A%20%3Chttp%3A%2F%2Frdfs.org%2Fsioc%2Fns%23%3E%0ASELECT%20*%0AWHERE%20%0A%20%20%7B%0A%20%20%20%20%3Fpost%20rdf%3Atype%20aowl%3AEntry.%0A%20%20%20%20OPTIONAL%20%7B%20%3Fpost%20aowl%3Atitle%20%3Ftitle%7D.%0A%20%20%20%20OPTIONAL%20%7B%20%3Fpost%20aowl%3Alink%20%3Flink%7D.%0A%20%20%20%20OPTIONAL%20%7B%20%3Fpost%20aowl%3Acontent%20%3Fcontent%20%7D.%0A%20%20%20%20OPTIONAL%20%7B%20%3Fpost%20dct%3Acreated%20%3Fcreated%20%7D.%0A%20%20%7D&amp;endpoint=/sparql&amp;maxrows=50&amp;default-graph-uri=">(via iSPARQL Results URL)</ulink> </listitem>
<listitem>View Query Editor <ulink url="http://demo.openlinksw.com/isparql/?query=PREFIX%20rdf%3A%20%3Chttp%3A%2F%2Fwww.w3.org%2F1999%2F02%2F22-rdf-syntax-ns%23%3E%0APREFIX%20aowl%3A%3Chttp%3A%2F%2Fatomowl.org%2Fontologies%2Fatomrdf%23%3E%0APREFIX%20dc%3A%20%3Chttp%3A%2F%2Fpurl.org%2Fdc%2Felements%2F1.1%2F%3E%0APREFIX%20dct%3A%20%3Chttp%3A%2F%2Fpurl.org%2Fdc%2Fterms%2F%3E%0APREFIX%20sioc%3A%20%3Chttp%3A%2F%2Frdfs.org%2Fsioc%2Fns%23%3E%0ASELECT%20*%0AWHERE%20%0A%20%20%7B%0A%20%20%20%20%3Fpost%20rdf%3Atype%20aowl%3AEntry.%0A%20%20%20%20OPTIONAL%20%7B%20%3Fpost%20aowl%3Atitle%20%3Ftitle%7D.%0A%20%20%20%20OPTIONAL%20%7B%20%3Fpost%20aowl%3Alink%20%3Flink%7D.%0A%20%20%20%20OPTIONAL%20%7B%20%3Fpost%20aowl%3Acontent%20%3Fcontent%20%7D.%0A%20%20%20%20OPTIONAL%20%7B%20%3Fpost%20dct%3Acreated%20%3Fcreated%20%7D.%0A%20%20%7D&amp;endpoint=/sparql&amp;maxrows=50&amp;default-graph-uri=">(via iSPARQL Visual Query Editor URL)</ulink> </listitem>
</itemizedlist></section></docbook>