rdf11:rdf_is_bnode/1

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Predicate rdf_is_bnode/1

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semweb
- semweb

rdf_is_bnode(@Term) is semidet

True if Term is an RDF blank node identifier.

A blank node is represented by an atom that starts with _:.

Success of this goal does not imply that the blank node is present in the database (see rdf_bnode/1 for that).

For backwards compatibility, atoms that are represented with an atom that starts with __ are also considered to be a blank node.