: mthdhttp://www.w3.org/2011/http# Create a prefix for http://www.w3.org/2011/http# Hit Enter to save Double click to create a prefix | rdfs:isDefinedBy | : rfc2616.txthttp://www.ietf.org/rfc/ Create a prefix for http://www.ietf.org/rfc/ Hit Enter to save Double click to create a prefix | graph:default |