anchor.diff:  	<!--
   		Distinct Co-Author Linkage
   	-->
  -    <sparql:lock model="${applicationScope.jenaOntModel }">
  -	<sparql:sparql>
  -	      <sparql:select model="${applicationScope.jenaOntModel}" var="discoauthors">
  +    <sparql:lock model="${jenaOntModel }">
  +	<sparql:sparql>
  +	      <sparql:select model="${jenaOntModel}" var="discoauthors">
   	        PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
   			PREFIX rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
   			PREFIX akt:  <http://www.aktors.org/ontology/portal#>
  
positive.code:     </sparql:sparql>
      </sparql:lock>
      
      <sparql:lock model="${applicationScope.jenaOntModel }">
      <sparql:sparql>
        <sparql:select model="${applicationScope.jenaOntModel}" var="pis">
            PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
        	  PREFIX rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
            PREFIX akt:  <http://www.aktors.org/ontology/portal#>
  
negative.code:     </sparql:sparql>
      </sparql:lock>
  
      <sparql:lock model="${jenaOntModel }">
      <sparql:sparql>
        <sparql:select model="${jenaOntModel}" var="courses">
            PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
        	  PREFIX rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
            PREFIX akt:  <http://www.aktors.org/ontology/portal#>
  