Ground

http://premon.fbk.eu/resource/fn15-within_distance@ground an entity of type: Concept

The Ground serves as a basis for describing the location of the Figure, as inside a region measured outward from the Ground and of a width specified by Distance. Our galaxy is just one of thousands that lie within 100 million light years. DNI We allow no civilians within 50 feet of these aircraft.
xsd:dateTime 2005-05-23T15:01:47+02:00 
Ground 
xsd:int 8021 
gro 

data from the linked data cloud