---+++Briefcase Resource Tags PREFIX rdf: PREFIX sioc: PREFIX sioct: PREFIX skos: SELECT * WHERE { ?forum a sioct:Briefcase . ?forum sioc:container_of ?post. optional { ?post sioc:topic ?topic } . optional { ?topic rdf:type skos:Concept } . optional { ?topic skos:prefLabel ?tag } } ---+++++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+sioct%3A+%3Chttp%3A%2F%2Frdfs.org%2Fsioc%2Ftypes%23%3E%0D%0APREFIX+skos%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F2004%2F02%2Fskos%2Fcore%23%3E%0D%0ASELECT+*%0D%0AWHERE+%0D%0A++%7B%0D%0A++++%3Fforum+a+sioct%3ABriefcase+.%0D%0A++++%3Fforum+sioc%3Acontainer_of+%3Fpost.%0D%0A++++optional+%7B+%3Fpost+sioc%3Atopic+%3Ftopic+%7D+.%0D%0A++++optional+%7B+%3Ftopic+rdf%3Atype+skos%3AConcept+%7D+.%0D%0A++++optional+%7B+%3Ftopic+skos%3AprefLabel+%3Ftag+%7D%0D%0A++%7D%0D%0A&format=text%2Fhtml&debug=on][(via SPARQL Protocol URL)]] * View Query Results [[http://demo.openlinksw.com/view/?format=application%2Frdf%2Bxml&maxrows=50&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%20sioct%3A%20%3Chttp%3A%2F%2Frdfs.org%2Fsioc%2Ftypes%23%3E%0APREFIX%20skos%3A%20%3Chttp%3A%2F%2Fwww.w3.org%2F2004%2F02%2Fskos%2Fcore%23%3E%0ASELECT%20*%0AWHERE%20%0A%20%20%7B%0A%20%20%20%20%3Fforum%20a%20sioct%3ABriefcase%20.%0A%20%20%20%20%3Fforum%20sioc%3Acontainer_of%20%3Fpost.%0A%20%20%20%20optional%20%7B%20%3Fpost%20sioc%3Atopic%20%3Ftopic%20%7D%20.%0A%20%20%20%20optional%20%7B%20%3Ftopic%20rdf%3Atype%20skos%3AConcept%20%7D%20.%0A%20%20%20%20optional%20%7B%20%3Ftopic%20skos%3AprefLabel%20%3Ftag%20%7D%0A%20%20%7D%0A&endpoint=/sparql&maxrows=50&default-graph-uri=][(via iSPARQL Results URL)]] * View Query Editor [[http://demo.openlinksw.com/view/?format=application%2Frdf%2Bxml&maxrows=50&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%20sioct%3A%20%3Chttp%3A%2F%2Frdfs.org%2Fsioc%2Ftypes%23%3E%0APREFIX%20skos%3A%20%3Chttp%3A%2F%2Fwww.w3.org%2F2004%2F02%2Fskos%2Fcore%23%3E%0ASELECT%20*%0AWHERE%20%0A%20%20%7B%0A%20%20%20%20%3Fforum%20a%20sioct%3ABriefcase%20.%0A%20%20%20%20%3Fforum%20sioc%3Acontainer_of%20%3Fpost.%0A%20%20%20%20optional%20%7B%20%3Fpost%20sioc%3Atopic%20%3Ftopic%20%7D%20.%0A%20%20%20%20optional%20%7B%20%3Ftopic%20rdf%3Atype%20skos%3AConcept%20%7D%20.%0A%20%20%20%20optional%20%7B%20%3Ftopic%20skos%3AprefLabel%20%3Ftag%20%7D%0A%20%20%7D%0A&endpoint=/sparql&maxrows=50&default-graph-uri=][(via iSPARQL Visual Query Editor URL)]]