Hi,

I would like to replace an object with a new object via following query 
(I'm using EDG):

DELETE {
  ?s ?p ?o .
}
INSERT {
 ?s ?p ?newO .
}
#SELECT DISTINCT ?o ? newO
WHERE {
  ?s ?p ?o .
    
  FILTER(STRSTARTS(STR(?o), "urn:") && STRENDS(STR(?o), "_P_Q"))
  BIND(REPLACE(STR(?o), "^(.*)ttt:(.*)_P_Q$", "$2") AS ?newOB)
  BIND(IRI(CONCAT("urn::", ? newOB  , "_Q")) AS ?newO)       
}

but i get the following error:
Failed to execute SPARQL request: org.apache.jena.graph.Node$NotLiteral: 
urn:_P_Q is not a literal node

Could you tell how I can correct it?

Thanks,

Kasia

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