:
http://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
certified
http://www.w3.org/2007/05/powder-s#certified
rdfs:label
http://www.w3.org/2000/01/rdf-schema#label
certified
@en
graph:default
https://triplydb.com/okfn/wdrs/graphs/default