sparql

http://www.w3.org/ns/sparql# link to namespace URI +1+1

http://ontologi.es/sparql# link to namespace URI +1+1

http://datashapes.org/sparql# link to namespace URI +1+1

http://www.openrdf.org/config/repository/sparql# link to namespace URI +1+1

Add alternative URI
ttl xml rdfa sparql txt json jsonld vann | lov | prefix.cc