trak

https://purl.org/trak/metamodel/vocab# link to namespace URI +1+1

http://purl.org/trak/metamodel/vocab# link to namespace URI +1+1

https://purl.org/trak/elements/ link to namespace URI +1+1

https://trakmetamodel.sourceforge.io/vocab/trak_vocab.rdf# link to namespace URI +1+1

https://trakmetamodel.sourceforge.io/vocab/rdf-schema.rdf# link to namespace URI +1+1

Add alternative URI