<xs:enumeration value="Collection"/>
<xs:enumeration value="Dataset"/>
<xs:enumeration value="Event"/>
<xs:enumeration value="Image"/>
<xs:enumeration value="MovingImage"/>
<xs:enumeration value="StillImage"/>
<xs:enumeration value="InteractiveResource"/>
<xs:enumeration value="Service"/>
<xs:enumeration value="Software"/>
<xs:enumeration value="Sound"/>
<xs:enumeration value="Text"/>
<xs:enumeration value="PhysicalObject"/>