メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.207972820606 35.3270367804907, 137.207969820308 35.3266852981629, 137.207977494176 35.3260326824718, 137.207978757203 35.3260100059665, 137.210436487959 35.3259968614708, 137.210440789497 35.3256186148983, 137.210917288099 35.3254825247349, 137.211092460501 35.3258532398859, 137.211086519724 35.3260114836231, 137.211185328142 35.3264646216779, 137.210443441588 35.3266972904912, 137.210391670862 35.326708787925, 137.210388651286 35.327023793042, 137.207976218035 35.3270343149512, 137.207972820606 35.3270367804907)) ^^http://www.opengis.net/ont/geosparql#wktLiteral