anchor.diff:       <li>
                <im:querylink text="Affymetrix probesets from the GeneChip <i>Drosophila</i> 2 Array with the genes they map to" skipBuilder="true">
   <query name="" model="genomic" view="ProbeSet.primaryIdentifier ProbeSet.genes.primaryIdentifier ProbeSet.genes.symbol" sortOrder="ProbeSet.primaryIdentifier asc">
  -  <node path="ProbeSet" type="ProbeSet">
  -  </node>
  -  <node path="ProbeSet.dataSets" type="DataSet">
  -  </node>
  -  <node path="ProbeSet.dataSets.name" type="String">
  -    <constraint op="=" value="Affymetrix array: Drosophila_2" description="" identifier="" code="A">
  -    </constraint>
  -  </node>
  +  <constraint path="ProbeSet.dataSets.name" op="=" value="Affymetrix array: Drosophila_2"/>
   </query>
                </im:querylink>
               </li>
  
positive.code:           <li>
               <im:querylink text="Affymetrix probesets from the GeneChip <i>Drosophila</i> Genome Array with the genes they map to" skipBuilder="true">
  <query name="" model="genomic" view="ProbeSet.primaryIdentifier ProbeSet.genes.primaryIdentifier ProbeSet.genes.symbol" sortOrder="ProbeSet.primaryIdentifier asc">
    <node path="ProbeSet" type="ProbeSet">
    </node>
    <node path="ProbeSet.dataSets" type="DataSet">
    </node>
    <node path="ProbeSet.dataSets.name" type="String">
      <constraint op="=" value="Affymetrix array: DrosGenome1" description="" identifier="" code="A">
      </constraint>
    </node>
  </query>
               </im:querylink>
              </li>
  
            <li>
               <im:querylink text="Affymetrix probesets from the GeneChip <i>Drosophila</i> 2 Array with their locations" skipBuilder="true">
  <query name="" model="genomic" view="ProbeSet.primaryIdentifier ProbeSet.locations.object.primaryIdentifier ProbeSet.locations.start ProbeSet.locations.end" sortOrder="ProbeSet.primaryIdentifier asc">
    <node path="ProbeSet" type="ProbeSet">
    </node>
    <node path="ProbeSet.dataSets" type="DataSet">
    </node>
    <node path="ProbeSet.dataSets.name" type="String">
      <constraint op="=" value="Affymetrix array: Drosophila_2" description="" identifier="" code="A">
      </constraint>
    </node>
  </query>
               </im:querylink>
              </li>
  
negative.code: 
             <li>
               <im:querylink text="Affymetrix probesets from the GeneChip <i>Drosophila</i> Genome Array with their locations" skipBuilder="true">
  <query name="" model="genomic" view="ProbeSet.primaryIdentifier ProbeSet.locations.locatedOn.primaryIdentifier ProbeSet.locations.start ProbeSet.locations.end" sortOrder="ProbeSet.primaryIdentifier asc">
    <constraint path="ProbeSet.dataSets.name" op="=" value="Affymetrix array: DrosGenome1"/>
  </query>
             </im:querylink>
            </li>
  