anchor.diff:  
             <li>
               <im:querylink text="Homologues: <i>A. gambiae</i> vs <i>C. elegans</i> " skipBuilder="true">
  -<query name="" model="genomic" view="Homologue.gene.primaryIdentifier Homologue.gene.secondaryIdentifier Homologue.homologue.primaryIdentifier Homologue.homologue.secondaryIdentifier Homologue.homologue.symbol Homologue.type Homologue.inParanoidScore" sortOrder="Homologue.gene.primaryIdentifier Homologue.gene.secondaryIdentifier Homologue.homologue.primaryIdentifier Homologue.homologue.secondaryIdentifier Homologue.homologue.symbol Homologue.type Homologue.inParanoidScore" constraintLogic="A and B">
  -  <node path="Homologue" type="Homologue">
  -  </node>
  -  <node path="Homologue.gene" type="Gene">
  -  </node>
  -  <node path="Homologue.gene.organism" type="Organism">
  -  </node>
  -  <node path="Homologue.gene.organism.name" type="String">
  -    <constraint op="=" value="Anopheles gambiae" description="Show the predicted orthologues between:" identifier="" editable="true" code="A">
  -    </constraint>
  -  </node>
  -  <node path="Homologue.homologue" type="Gene">
  -  </node>
  -  <node path="Homologue.homologue.organism" type="Organism">
  -  </node>
  -  <node path="Homologue.homologue.organism.name" type="String">
  -    <constraint op="=" value="Caenorhabditis elegans" description="" identifier="" editable="true" code="B">
  +<query name="" model="genomic" view="Homologue.gene.primaryIdentifier Homologue.gene.secondaryIdentifier Homologue.gene.symbol Homologue.homologue.primaryIdentifier Homologue.homologue.secondaryIdentifier Homologue.type Homologue:dataSets.title" sortOrder="Homologue.gene.primaryIdentifier asc Homologue.gene.secondaryIdentifier asc Homologue.gene.symbol asc Homologue.homologue.primaryIdentifier asc Homologue.homologue.secondaryIdentifier asc Homologue.type asc" constraintLogic="A and B">
  +  <pathDescription pathString="Homologue:dataSets" description="dataset">
  +  </pathDescription>
  +  <pathDescription pathString="Homologue.homologue" description="Homologue">
  +  </pathDescription>
  +  <pathDescription pathString="Homologue.gene" description="Gene">
  +  </pathDescription>
  +  <node path="Homologue" type="Homologue">
  +  </node>
  +  <node path="Homologue.gene" type="Gene">
  +  </node>
  +  <node path="Homologue.gene.organism" type="Organism">
  +  </node>
  +  <node path="Homologue.gene.organism.name" type="String">
  +    <constraint op="=" value="Anopheles gambiae" description="Show the predicted orthologues between:" identifier="" editable="true" code="A" extraValue="">
  +    </constraint>
  +  </node>
  +  <node path="Homologue.homologue" type="Gene">
  +  </node>
  +  <node path="Homologue.homologue.organism" type="Organism">
  +  </node>
  +  <node path="Homologue.homologue.organism.name" type="String">
  +    <constraint op="=" value="Caenorhabditis elegans" description="" identifier="" editable="true" code="B" extraValue="">
       </constraint>
     </node>
   </query>
  
positive.code: 
            <li>
             <im:querylink text="Homologues: <i>D. melanogaster</i> vs <i>H. sapiens</i> " skipBuilder="true">
  <query name="" model="genomic" view="Homologue.gene.primaryIdentifier Homologue.gene.secondaryIdentifier Homologue.gene.symbol Homologue.homologue.primaryIdentifier Homologue.homologue.secondaryIdentifier Homologue.type Homologue.inParanoidScore" sortOrder="Homologue.gene.primaryIdentifier Homologue.gene.secondaryIdentifier Homologue.gene.symbol Homologue.homologue.primaryIdentifier Homologue.homologue.secondaryIdentifier Homologue.type Homologue.inParanoidScore" constraintLogic="A and B">
    <node path="Homologue" type="Homologue">
    </node>
    <node path="Homologue.gene" type="Gene">
    </node>
    <node path="Homologue.gene.organism" type="Organism">
    </node>
    <node path="Homologue.gene.organism.name" type="String">
      <constraint op="=" value="Drosophila melanogaster" description="Show the predicted orthologues between:" identifier="" editable="true" code="A">
      </constraint>
    </node>
    <node path="Homologue.homologue" type="Gene">
    </node>
    <node path="Homologue.homologue.organism" type="Organism">
    </node>
    <node path="Homologue.homologue.organism.name" type="String">
      <constraint op="=" value="Homo sapiens" description="" identifier="" editable="true" code="B">
      </constraint>
    </node>
  </query>
  
negative.code:         <ul>
            <li>
              <im:querylink text="Homologues: <i>D. melanogaster</i> vs <i>A. gambiae</i> " skipBuilder="true">
  <query name="" model="genomic" view="Homologue.gene.primaryIdentifier Homologue.gene.secondaryIdentifier Homologue.gene.symbol Homologue.homologue.primaryIdentifier Homologue.homologue.secondaryIdentifier Homologue.type Homologue:dataSets.title" sortOrder="Homologue.gene.primaryIdentifier asc Homologue.gene.secondaryIdentifier asc Homologue.gene.symbol asc Homologue.homologue.primaryIdentifier asc Homologue.homologue.secondaryIdentifier asc Homologue.type asc" constraintLogic="A and B">
    <pathDescription pathString="Homologue:dataSets" description="dataset">
    </pathDescription>
    <pathDescription pathString="Homologue.homologue" description="Homologue">
    </pathDescription>
    <pathDescription pathString="Homologue.gene" description="Gene">
    </pathDescription>
    <node path="Homologue" type="Homologue">
    </node>
    <node path="Homologue.gene" type="Gene">
  