XML Schema for Protege, cut down to use just simple instances for the Essential Architecture Manager import solution, Essential Integration Server. The Protege namespaces are preserved. Optional timestamp tag to indicate dateTime when the XML document was generated Unique identifier for an instance. If importing from another repository, this is typically the repository internal ID for the instance The type of the instance, i.e. the name of the Essential Meta Class that this element is an instance of. Name-value pairs for populated slots for this element. The slot_reference specifies the name of the slot that is populated and the value is the value of the slot on this instance.