Here's an example of a modified common-2.1/configs/ptolemy/configs/kepler/ontologies/ontology_catalog.xml
<ontologies>
<ontology filename="/Users/derik/dev2/kepler.modules.2.1/common-2.1/target/eclipse/classes/ptolemy/configs/kepler/ontologies/keplerActorOntology.owl" library="false" tagbar="true" color="128,128,128" local="false"/>
<ontology filename="/Users/derik/dev2/kepler.modules.2.1/common-2.1/target/eclipse/classes/ptolemy/configs/kepler/ontologies/kepler-component.owl" library="true" tagbar="true" color="0,255,255" local="false"/>
<ontology filename="/Users/derik/dev2/kepler.modules.2.1/common-2.1/target/eclipse/classes/ptolemy/configs/kepler/ontologies/kepler-project.owl" library="true" tagbar="true" color="255,0,255" local="false"/>
<ontology filename="/Users/derik/dev2/kepler.modules.2.1/common-2.1/target/eclipse/classes/ptolemy/configs/kepler/ontologies/kepler-discipline.owl" library="true" tagbar="true" color="0,255,0" local="false"/>
<ontology filename="/Users/derik/dev2/kepler.modules.2.1/common-2.1/target/eclipse/classes/ptolemy/configs/kepler/ontologies/kepler-statistics.owl" library="true" tagbar="true" color="255,200,0" local="false"/>
<ontology filename="/Users/derik/dev2/kepler.modules.2.1/common-2.1/target/eclipse/classes/ptolemy/configs/kepler/ontologies/seekBiodiversityOntology_inferred.owl" library="false" tagbar="true" color="255,175,175" local="false"/>
<ontology filename="/Users/derik/dev2/kepler.modules.2.1/common-2.1/target/eclipse/classes/ptolemy/configs/kepler/ontologies/seekStatisticsOntology.owl" library="false" tagbar="true" color="0,0,255" local="false"/>
<ontology filename="/Users/derik/dev2/kepler.modules.2.1/common-2.1/target/eclipse/classes/ptolemy/configs/kepler/ontologies/SeekFieldObservationOntology_JUN_2005.owl" library="false" tagbar="true" color="255,0,0" local="false"/>
<ontology filename="/Users/derik/KeplerData/modules/core/onto7934053400911427464.owl" library="true" tagbar="false" color="255,255,255" local="true"/>
</ontologies>
The ontology filename referred to (/Users/derik/KeplerData/modules/core/onto7934053400911427464.owl ) doesn't exist.