Conversion vocabulary

See conversion:Enhancement.

namespace: http://purl.org/twc/vocab/conversion/

DRAFT:

PREFIX conversion: <http://purl.org/twc/vocab/conversion/>
PREFIX ov: <http://open.vocab.org/terms/>

SELECT DISTINCT ?predicate
WHERE {
	GRAPH <http://purl.org/twc/vocab/conversion/ConversionProcess> {
		[] ov:csvCol [] ; ?predicate [] .
		FILTER REGEX(?predicate, "^http://purl.org/twc/vocab/conversion/")
	}
	OPTIONAL {
		GRAPH <http://purl.org/twc/vocab/conversion/> {
			?predicate ?p ?o
		}
	}
	FILTER(!BOUND(?o))
}