anchor.diff:  					<c:forEach items="${coauthors.rows}" var="coauthor" varStatus="counter">
   						<li><a href="#">Total co-author linkages</a> (${coauthor.counts.string})</li>
   					</c:forEach>
  -	  </sparql:sparql>
  +    </sparql:sparql>
  +	</sparql:lock>
   	
   	<!--
   		Distinct Co-Author Linkage
   	-->
  -
  +    <sparql:lock model="${applicationScope.jenaOntModel }">
   	<sparql:sparql>
   	      <sparql:select model="${applicationScope.jenaOntModel}" var="discoauthors">
   	        PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
  
positive.code: 				<c:forEach items="${grants.rows}" var="grant" varStatus="counter">
  					<li><a href="#">'Grant' entities</a> (${grant.counts.string})</li>
  				</c:forEach>
    </sparql:sparql>
  </ul>
  <ul>
  
  	<!--
  		Teacher-Course
  	-->
  
  	<sparql:sparql>
  	      <sparql:select model="${applicationScope.jenaOntModel}" var="teachings">
  	          PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
  
negative.code: 				  ?grant core:hasInvestigator ?pi2 .
  				  FILTER (str(?pi1) < str(?pi2))
  	          }
              </sparql:select>
              <li><a href="#">Unique co-investigator linkages</a> (${fn:length(discopis.rows)})</li>
      </sparql:sparql>
      </sparql:lock>    
      
  </ul>
  
  </div>
  