メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.556055504844 43.2459545524202, 143.553857656672 43.2460251103629, 143.553858567927 43.2460002025966, 143.553705423778 43.2460054688507, 143.553695049539 43.2459791433966, 143.553575687059 43.2456740800639, 143.553400912769 43.245882844367, 143.553252406495 43.2461052348777, 143.552189557195 43.24613832205, 143.551087624701 43.2461567940365, 143.550184504269 43.246195849491, 143.550096381027 43.245129672215, 143.551017083861 43.2450948486246, 143.556663828518 43.244881111416, 143.556624573626 43.2450112491063, 143.556260646828 43.2457087236948, 143.556055504844 43.2459545524202)) ^^http://www.opengis.net/ont/geosparql#wktLiteral