---++++Dump of phpBB3 Posts PREFIX rdf: PREFIX sioc: PREFIX dct: SELECT * FROM WHERE { ?forum rdf:type sioc:Forum. optional{ ?forum sioc:name ?name }. optional{ ?forum sioc:container_of ?post } . optional{ ?post dct:title ?title } . optional{ ?post sioc:content ?content } . } LIMIT 10 ---++++Sample Data (Live Query Results) * View Query Results [[http://demo.openlinksw.com/sparql?default-graph-uri=&should-sponge=&query=PREFIX+rdf%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F1999%2F02%2F22-rdf-syntax-ns%23%3E%0D%0APREFIX+sioc%3A+%3Chttp%3A%2F%2Frdfs.org%2Fsioc%2Fns%23%3E%0D%0APREFIX+dct%3A+%3Chttp%3A%2F%2Fpurl.org%2Fdc%2Felements%2F1.1%2F%3E%0D%0ASELECT+*%0D%0AFROM+%3Chttp%3A%2F%2Fdemo.openlinksw.com%2FphpBB3_v%2F%3E%0D%0AWHERE+%0D%0A++%7B%0D%0A++++%3Fforum+rdf%3Atype+sioc%3AForum.%0D%0A++++optional%7B+%3Fforum+sioc%3Aname+%3Fname+%7D.%0D%0A++++optional%7B+%3Fforum+sioc%3Acontainer_of+%3Fpost++%7D+.%0D%0A++++optional%7B+%3Fpost+dct%3Atitle+%3Ftitle+%7D+.%0D%0A++++optional%7B+%3Fpost+sioc%3Acontent+%3Fcontent+%7D+.%0D%0A++%7D%0D%0ALIMIT+10&format=text%2Fhtml&debug=on][(via SPARQL Protocol URL)]] * View Query Results [[http://demo.openlinksw.com/view/?format=application%2Frdf%2Bxml&query=%0APREFIX%20rdf%3A%20%3Chttp%3A%2F%2Fwww.w3.org%2F1999%2F02%2F22-rdf-syntax-ns%23%3E%0APREFIX%20sioc%3A%20%3Chttp%3A%2F%2Frdfs.org%2Fsioc%2Fns%23%3E%0APREFIX%20dct%3A%20%3Chttp%3A%2F%2Fpurl.org%2Fdc%2Felements%2F1.1%2F%3E%0ASELECT%20*%0AFROM%20%3Chttp%3A%2F%2Fdemo.openlinksw.com%2FphpBB3_v%2F%3E%0AWHERE%20%0A%20%20%7B%0A%20%20%20%20%3Fforum%20rdf%3Atype%20sioc%3AForum.%0A%20%20%20%20optional%7B%20%3Fforum%20sioc%3Aname%20%3Fname%20%7D.%0A%20%20%20%20optional%7B%20%3Fforum%20sioc%3Acontainer_of%20%3Fpost%20%20%7D%20.%0A%20%20%20%20optional%7B%20%3Fpost%20dct%3Atitle%20%3Ftitle%20%7D%20.%0A%20%20%20%20optional%7B%20%3Fpost%20sioc%3Acontent%20%3Fcontent%20%7D%20.%0A%20%20%7D%0ALIMIT%2010&endpoint=/sparql&maxrows=50&default-graph-uri=][(via iSPARQL Results URL)]] * View Query Editor [[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%20sioc%3A%20%3Chttp%3A%2F%2Frdfs.org%2Fsioc%2Fns%23%3E%0APREFIX%20dct%3A%20%3Chttp%3A%2F%2Fpurl.org%2Fdc%2Felements%2F1.1%2F%3E%0ASELECT%20*%0AFROM%20%3Chttp%3A%2F%2Fdemo.openlinksw.com%2FphpBB3_v%2F%3E%0AWHERE%20%0A%20%20%7B%0A%20%20%20%20%3Fforum%20rdf%3Atype%20sioc%3AForum.%0A%20%20%20%20optional%7B%20%3Fforum%20sioc%3Aname%20%3Fname%20%7D.%0A%20%20%20%20optional%7B%20%3Fforum%20sioc%3Acontainer_of%20%3Fpost%20%20%7D%20.%0A%20%20%20%20optional%7B%20%3Fpost%20dct%3Atitle%20%3Ftitle%20%7D%20.%0A%20%20%20%20optional%7B%20%3Fpost%20sioc%3Acontent%20%3Fcontent%20%7D%20.%0A%20%20%7D%0ALIMIT%2010&endpoint=/sparql&maxrows=50&default-graph-uri=][(via iSPARQL Visual Query Editor URL)]]