メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.354684581784 43.823279762339, 142.355072063206 43.8235617875715, 142.354674090589 43.8238391955964, 142.35430207019 43.8241206041119, 142.354648560676 43.8243784249116, 142.353972670648 43.824858025041, 142.353495758219 43.8245217881958, 142.352653755225 43.8251438582318, 142.352412026714 43.8249746326674, 142.351838473698 43.8253735593337, 142.351211694066 43.8258362750838, 142.349594902746 43.8246685470442, 142.350237904419 43.82420580808, 142.350872732632 43.823778234221, 142.351648146714 43.8231862433788, 142.351956102641 43.8229588004317, 142.352331641956 43.822701938058, 142.353082618351 43.8221411821112, 142.353471335907 43.8224101317658, 142.354252960129 43.8229691726589, 142.354684581784 43.823279762339)) ^^http://www.opengis.net/ont/geosparql#wktLiteral