メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.465672193082 36.3774772498855, 140.465772640045 36.3781121704592, 140.465999242758 36.3779716962502, 140.466066000865 36.3780595310775, 140.466751594834 36.3788391723171, 140.466089646907 36.3792197033229, 140.465623674704 36.3794199241973, 140.464625216218 36.379903269937, 140.464378184934 36.3794297970669, 140.463999766204 36.3787310372506, 140.463693631931 36.3779303960607, 140.463505666005 36.3773193501712, 140.464563113963 36.3770490141844, 140.465448766334 36.3768706549114, 140.465594776819 36.3768693526355, 140.465672193082 36.3774772498855)) ^^http://www.opengis.net/ont/geosparql#wktLiteral