メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.230598435104 35.5016406595168, 134.230948231305 35.5019299964048, 134.229977474416 35.5027537229003, 134.229610357274 35.5024482778412, 134.229262770017 35.5021678474383, 134.229876500512 35.5016782127255, 134.229919535213 35.5017222621238, 134.230300477134 35.5014072793907, 134.230598435104 35.5016406595168)) ^^http://www.opengis.net/ont/geosparql#wktLiteral