rdf_update/5

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Predicate rdf_update/5

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Documentation
- Reference manual
- Packages
  - SWI-Prolog Semantic Web Library 3.0
    - Two RDF APIs
      - library(semweb/rdf_db): The RDF database
        
        Modifying the RDF database
        
        rdf_assert/3
        
        rdf_assert/4
        
        rdf_retractall/3
        
        rdf_retractall/4
        
        rdf_update/4
        
        rdf_update/5

Availability::- use_module(library(semweb/rdf_db)).

Source

[det]rdf_update(+Subject, +Predicate, +Object, ++Action)

[det]rdf_update(+Subject, +Predicate, +Object, +Graph, ++Action)

Replaces one of the three (four) 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. This only works with rdf_update/5 and throws an error when used with rdf_update/4.