: spoorhttp://opendata.stelselcatalogus.nl/bgt/id/begrip/ Create a prefix for http://opendata.stelselcatalogus.nl/bgt/id/begrip/ Hit Enter to save Double click to create a prefix | Spoor @nl-nl | : default.ttlhttps://triplydb.com/wouter/stelselcatalogus/graphs/ Create a prefix for https://triplydb.com/wouter/stelselcatalogus/graphs/ Hit Enter to save Double click to create a prefix |