server-demo-config.ttl

@prefix : <urn:example:server-demo/> .
@prefix fcage: <https://w3id.org/fcage/> .
@prefix deer: <https://w3id.org/deer/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .

:readInput
  a deer:FileModelReader ;
  deer:fromPath "server-demo-data.ttl" ;
  fcage:hasOutput ( :nameToLabel :dereferenceMayor ) ;
.

:nameToLabel
  a deer:PredicateConformationEnrichmentOperator ;
  deer:operation [
    deer:sourcePredicate foaf:name ;
    deer:targetPredicate rdf:label ;
  ] ;
  fcage:hasOutput :merge ;
.

:dereferenceMayor
  a deer:DereferencingEnrichmentOperator ;
  deer:operation [
    deer:lookUpProperty foaf:based_near ;
    deer:lookUpPrefix "http://dbpedia.org/resource" ;
    deer:importProperty <http://example.org/ruled_by> ;
    deer:dereferencingProperty <http://dbpedia.org/property/mayor> ;
  ] ;
  fcage:hasOutput :knowsReflexiveClosure ;
.

:knowsReflexiveClosure
  a deer:SparqlUpdateEnrichmentOperator ;
  deer:sparqlUpdateQuery """
    PREFIX foaf: <http://xmlns.com/foaf/0.1/>
    INSERT { ?other foaf:knows ?person }
    WHERE
      {
        ?person foaf:knows ?other .
        FILTER NOT EXISTS {
          ?other foaf:knows ?person .
        }
      }
  """ ;
  fcage:hasOutput :merge ;
.

:merge
  a deer:MergeEnrichmentOperator ;
  fcage:hasInput ( :nameToLabel :knowsReflexiveClosure ) ;
  fcage:hasOutput ( :writeResult ) ;
.

:writeResult
  a deer:FileModelWriter ;
  deer:outputFile "server-demo-output.nt" ;
  deer:outputFormat "NT" ;
.