| http://www.w3.org/ns/prov#value | - Since RDF triple syntax can directly express only unary and binary relations, relations of higher arity must be encoded, and OWL in particular uses lists to do this encoding, so that a relationship betweem four things would be described as a property of a list containing four elements, itself described by a conjunction of binary relationships between those elements and sublists of the list, and be
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