A component object that identifies an observation (as a text string) thatis assigned to a geographic location. This object is used to locate generalobservations within a Observation object of an ObservationSystem
Database handle for the object. It is of XML type ID, so is constrained to beunique in the XML document within which it occurs. An external identifier for the object inthe form of a URI may be constructed using standard XML and XPointer methods. This is doneby concatenating the URI for the document, a fragment separator, and the value of the idattribute.
Source
<element name="PlacedObservation" substitutionGroup="diggs:AbstractComponentObjectBase" type="diggs:PlacedObservationType"><annotation><documentation>A component object that identifies an observation (as a text string) that is assigned to a geographic location. This object is used to locate general observations within a Observation object of an ObservationSystem</documentation></annotation></element>