: powder-shttp://www.w3.org/2007/05/ Create a prefix for http://www.w3.org/2007/05/ Hit Enter to save Double click to create a prefix | owl:priorVersion | : powder-shttp://www.w3.org/2007/05/ Create a prefix for http://www.w3.org/2007/05/ Hit Enter to save Double click to create a prefix | graph:default |