In RDF, a blank node (also called bnode) is a node in an RDF graph representing a resource for which a URI or literal is not given. The resource represented by a blank node is also called an anonymous resource. By RDF standard a blank node can only be used as subject or object in an RDF triple, although in some syntaxes like Notation 3 it is acceptable to use a blank node as a predicate. If a blank node has a node ID (not all blank nodes are labeled in all RDF serializations), it is limited in scope to a serialization of a particular RDF graph, i.e. the node p1 in the subsequent example does not represent the same node as a node named p1 in any other graph.
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Famous quotes containing the word blank:
“All right, so there he is, our representative to the world, Mr. Western Civilization, in codpiece and pantyhose up there on the boards, firing away at the rapt groundlings with his blank verses, not less of a word-slinger and spellbinder than the Bard himself and therefore not to be considered too curiously on such matters as relevance, coherence, consistency, propriety, sanity, common decency.”
—Marvin Mudrick (1921–1986)