anchor.diff:      where type.predicate = 'rdf:type' and type.object = 'skos:TopConcept'
       and inScheme.predicate = 'skos:inScheme' and inScheme.object = '#{ @conceptScheme }' ; 
     } , nil )%>
  -  <%= @topConcept %>
  +  <% for @prefLabel in query_rdf_objects( 'skos:prefLabel', @topConcept) %> <%= @prefLabel%> <% end %>  
   
       <% for @narrower in query_sql_subject( %{
         select
  
positive.code:       where type.predicate = 'rdf:type' and type.object = 'skos:Concept'
        and broader.predicate = 'skos:broader' and broader.object = '#{ @topConcept}' ; 
      } , nil )%>
      <%= @narrower%>
  
  
        <% for @narrower2 in query_sql_subject( %{
          select
  
negative.code:         where type.predicate = 'rdf:type' and type.object = 'skos:Concept'
          and broader.predicate = 'skos:broader' and broader.object = '#{ @concept}' ; 
        } , nil )%>
        <% for @prefLabel in query_rdf_objects( 'skos:prefLabel', @narrower) %> <%= @prefLabel%> <% end %>  
  
          <% for @narrower2 in query_sql_subject( %{
            select
  