: Ontologyhttp://guava.iis.sinica.edu.tw/r4r/ Create a prefix for http://guava.iis.sinica.edu.tw/r4r/ Hit Enter to save Double click to create a prefix | rdfs:subClassOf | : Vocabularyhttp://purl.org/vocommons/voaf# Create a prefix for http://purl.org/vocommons/voaf# Hit Enter to save Double click to create a prefix |