http://wifo5-40.informatik.uni-mannheim.de:8890/sparql?query=DESCRIBE%20%3Chttp%3A%2F%2Fwebisa.webdatacommons.org%2Fconcept%2F_role_%3E&format=application%2Fatom%2Bxml2024-03-28T20:11:58.592437ZOData Service and Descriptor Documenthttp://webisa.webdatacommons.org/concept/_role_2024-03-28T20:11:58.592437Zrolerole