: describedbyhttp://www.w3.org/2007/05/powder-s# Create a prefix for http://www.w3.org/2007/05/powder-s# Hit Enter to save Double click to create a prefix | : semlinkhttp://www.w3.org/TR/powder-dr/# Create a prefix for http://www.w3.org/TR/powder-dr/# Hit Enter to save Double click to create a prefix | graph:default |