3.3.3 Modifying the RDF database
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Availability::- use_module(library(semweb/rdf_db)).
Source[det]rdf_update(+Subject, +Predicate, +Object, +Action)
Replaces one of the three fields on the matching triples depending on Action:
subject(Resource)
Changes the first field of the triple.
predicate(Resource)
Changes the second field of the triple.
object(Object)
Changes the last field of the triple to the given resource or literal(Value).
graph(Graph)
Moves the triple from its current named graph to Graph.