OTRL and ODRL are in YAML files, but not in the RDF/Turtle verison
see example project (though it is so with all projects): https://gitlab.opensourceecology.de/verein/projekte/losh-rdf/-/tree/main/RDF/github.com/OPEN-NEXT/LOSH-dummy-MOSH-A/okh.toml
the required RDF properties: https://github.com/OPEN-NEXT/OKH-LOSH/blob/master/OKH-LOSH.ttl#L353