メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.752037805961 38.7341523698144, 139.750460270936 38.7323235667795, 139.746752842256 38.7279544495586, 139.748587106709 38.7269945760694, 139.750204875114 38.7261606235033, 139.75098979405 38.7258306175359, 139.751464638945 38.7264744710939, 139.752102351922 38.7271205300197, 139.756836795368 38.726175148467, 139.757010441793 38.7267228888182, 139.757137196532 38.7271561828967, 139.757189480962 38.7273786407712, 139.757228955329 38.7276886731711, 139.757286789391 38.7285067302409, 139.757323185564 38.7287583180785, 139.757310643479 38.7288639127301, 139.757211321601 38.7292925954123, 139.757206919717 38.7295865991364, 139.757283506043 38.7298243396509, 139.757433795337 38.7302405349578, 139.75753099961 38.730505630738, 139.757590070119 38.7306170906693, 139.758086125501 38.7315068729269, 139.758335731774 38.7319636716663, 139.758437466832 38.7323767454495, 139.758445568077 38.7327361765388, 139.758395633749 38.7329208150427, 139.758298037404 38.7331259899345, 139.758211277127 38.7332915707568, 139.758085935785 38.7335494160316, 139.758008800968 38.7337442213163, 139.75794450738 38.7339815133259, 139.757851443191 38.734340014993, 139.757800400272 38.7345985418127, 139.757763628205 38.7347440299075, 139.757646760703 38.7348856856185, 139.755784420148 38.7321931816333, 139.752037805961 38.7341523698144)) ^^http://www.opengis.net/ont/geosparql#wktLiteral