<?xml version="1.0"?> <config> <key name="identifierKey"> <selector xpath="//dateTimeDomain|//nonNumericDomain|//numericDomain|//access|//attributeList|//attribute|//constraint|//coverage|//temporalCoverage|//geographicCoverage|//taxonomicCoverage|//dataset|//dataSource|//dataTable|//otherEntity|//citation|//address|//conferenceLocation|//party|//originator|//creator|//contact|//publisher|//editor|//recipient|//performer|//institution|//metadataProvider|//associatedParty|//personnel|//physical|//connectionDefinition|//distribution|//researchProject|//project|//relatedProject|//software|//spatialRaster|//spatialReference|//spatialVector|//storedProcedure|//view|//protocol|//additionalMetadata"/> <field xpath="@id"/> </key> <key name="attributeIdentifierKey"> <selector xpath="//attribute"/> <field xpath="@id"/> </key> <key name="entityIdentifierKey"> <selector xpath="//dataTable|//spatialRaster|//spatialVector|//storedProcedure|//view"/> <field xpath="@id"/> </key> <key name="unitIdentifierKey"> <selector xpath="//unitList/unit"/> <field xpath="@id"/> </key> <keyref name="replacementReference" refer="identifierKey"> <selector xpath="//references"/> <field xpath="."/> </keyref> <keyref name="describesReference" refer="identifierKey"> <selector xpath="//additionalMetadata/describes"/> <field xpath="."/> </keyref> <keyref name="entityReference" refer="entityIdentifierKey"> <selector xpath="//entityReference"/> <field xpath="."/> </keyref> <keyref name="attributeReference" refer="attributeIdentifierKey"> <selector xpath="//attributeReference|.//valueAttributeReference|.//definitionAttributeReference"/> <field xpath="."/> </keyref> <keyref name="unitReference" refer="unitIdentifierKey"> <selector xpath="//unit/customUnit"/> <field xpath="."/> </keyref> <namespaces>@namespaces@</namespaces> </config>