メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.013920959234 34.9155715574657, 137.014564632692 34.9159677309702, 137.014310257016 34.9162476437315, 137.013529624861 34.9170932750467, 137.012774699868 34.9179228066208, 137.012733722303 34.9178550753822, 137.01267902267 34.9174266704869, 137.012555332185 34.9165189260333, 137.01240481359 34.9156653749839, 137.012364216351 34.9153893210829, 137.012381430602 34.9149795994433, 137.012365211532 34.9148575993019, 137.012198612277 34.9143588380043, 137.012482071803 34.9144658210773, 137.012834214166 34.914678740183, 137.013057870202 34.9148890329778, 137.013530942417 34.9152798575709, 137.013920959234 34.9155715574657)) ^^http://www.opengis.net/ont/geosparql#wktLiteral