: European_Semantic_Web_Conferencehttp://purl.org/semsur/ Create a prefix for http://purl.org/semsur/ Hit Enter to save Double click to create a prefix | : publisheshttp://swrc.ontoware.org/ontology# Create a prefix for http://swrc.ontoware.org/ontology# Hit Enter to save Double click to create a prefix | : Querying_Distributed_RDF_Data_Sources_with_SPARQLhttp://purl.org/semsur/ Create a prefix for http://purl.org/semsur/ Hit Enter to save Double click to create a prefix | : SemSur/http://purl.org/ Create a prefix for http://purl.org/ Hit Enter to save Double click to create a prefix |