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 | Predicate rdf_is_iri/1 |
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:- use_module(library(semweb/rdf11)).
[semidet]rdf_is_iri(@IRI)For performance reasons, this does not check for compliance to the syntax defined in RFC 3987. This checks whether the term is (1) an atom and (2) not a blank node identifier.
Success of this goal does not imply that the IRI is present in the database (see rdf_iri/1 for that).