_:vb870528 . _:vb870528 . _:vb870528 . _:vb870528 . _:vb870528 "Quotation is a particular case of derivation (see http://www.w3.org/TR/prov-dm/#term-quotation) in which an entity is derived from an original entity by copying, or \"quoting\", some or all of it. " .