メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.051177555528 37.9215978420705, 139.050351816524 37.9220068890354, 139.049841107149 37.9213575884143, 139.049816793163 37.9213641355116, 139.049782512572 37.9212830919748, 139.049763540918 37.9212382440371, 139.049775598303 37.921235037636, 139.049695495822 37.9210914265601, 139.0501479125 37.9210099802592, 139.050553771037 37.9208129532781, 139.050830352267 37.9211201079011, 139.05081737412 37.9211255189886, 139.050951444634 37.9212908730954, 139.050957597339 37.9212877465513, 139.051038313264 37.921399993407, 139.051177555528 37.9215978420705)) ^^http://www.opengis.net/ont/geosparql#wktLiteral