メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.617904273645 36.7492202213798, 139.617782815723 36.7493150514978, 139.617698739456 36.7493774223767, 139.617575750971 36.7494635185861, 139.617417049651 36.7495407506834, 139.617329936048 36.7495781197621, 139.617224151655 36.7496203846503, 139.617118368064 36.7496627197476, 139.616997054052 36.7497050266353, 139.616769963026 36.7497871322106, 139.616172682415 36.7500086048988, 139.615820078073 36.7494152737545, 139.615602134033 36.749006020359, 139.61648553833 36.7487074815889, 139.616981650542 36.7485483455698, 139.6173581309 36.7483777260822, 139.617598471302 36.7482800129441, 139.617816416918 36.7486842622649, 139.618225154941 36.7485300337338, 139.618619082956 36.7483606386788, 139.618683339423 36.7483305491421, 139.618980265639 36.7487607071954, 139.618913105 36.7487888198362, 139.618535924908 36.7489288160415, 139.618358636644 36.7489884836311, 139.618131514487 36.7490831256181, 139.618022563255 36.7491479139891, 139.617904273645 36.7492202213798)) ^^http://www.opengis.net/ont/geosparql#wktLiteral