メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.169504669209 34.9404824639728, 137.16991854332 34.9405410679887, 137.170263116434 34.9406409406128, 137.170744376056 34.9407709571394, 137.171142854529 34.940839134533, 137.17185125349 34.9408993520831, 137.172601996461 34.9409057339908, 137.173337323147 34.9409056964905, 137.173350883296 34.942029524103, 137.172590510167 34.9419963190339, 137.171002371004 34.9418869000983, 137.169624052511 34.941737861032, 137.168865598978 34.9416205836342, 137.168793173446 34.9412123044422, 137.168759699867 34.9409437581496, 137.168740448813 34.9406488705259, 137.168732750623 34.9404142010406, 137.169104270075 34.9404412547771, 137.169504669209 34.9404824639728)) ^^http://www.opengis.net/ont/geosparql#wktLiteral