anchor.diff:                <query name="" model="genomic" view="BindingSite.identifier BindingSite.length BindingSite.chromosome.identifier BindingSite.chromosomeLocation.start BindingSite.chromosomeLocation.end">
                   <node path="BindingSite" type="BindingSite">
                   </node>
  -                <node path="BindingSite.evidence" type="Database">
  +                <node path="BindingSite.evidence" type="DataSet">
                   </node>
                   <node path="BindingSite.evidence.title" type="String">
  -                  <constraint op="=" value="FlyBase">
  +                  <constraint op="=" value="FlyBase Drosophila melanogaster data set">
                     </constraint>
                   </node>
                 </query>
  
positive.code:               <query name="" model="genomic" view="BindingSite">
                  <node path="BindingSite" type="BindingSite">
                  </node>
                  <node path="BindingSite.evidence" type="Database">
                  </node>
                  <node path="BindingSite.evidence.title" type="String">
                    <constraint op="=" value="FlyBase">
                    </constraint>
                  </node>
                </query>
  
negative.code:               <query name="" model="genomic" view="TFBindingSite.identifier TFBindingSite.length TFBindingSite.gene.identifier TFBindingSite.factor.identifier TFBindingSite.chromosome.identifier TFBindingSite.chromosomeLocation.start TFBindingSite.chromosomeLocation.end">
                  <node path="TFBindingSite" type="TFBindingSite">
                  </node>
                  <node path="TFBindingSite.evidence" type="DataSet">
                  </node>
                  <node path="TFBindingSite.evidence.title" type="String">
                    <constraint op="=" value="FlyReg data set">
                    </constraint>
                  </node>
                </query>
  