メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.931616872166 35.1770537054647, 136.931653300059 35.177135747129, 136.931476888479 35.1771715956698, 136.931580344944 35.1775998156449, 136.931675097439 35.1779542166814, 136.930969387541 35.1780952167857, 136.930978844655 35.1781241788622, 136.930739834776 35.1781682831694, 136.93068937811 35.1780147364822, 136.93057615052 35.1778194479094, 136.930397910123 35.1772645334371, 136.930130821845 35.1773196362781, 136.930065381341 35.1773257036479, 136.92992244822 35.1770600753259, 136.9298961903 35.1770065107674, 136.929799650507 35.1770377703868, 136.929703025507 35.1768613354244, 136.929456588059 35.1769235914263, 136.929384519565 35.1767772543947, 136.93046081452 35.1765955912504, 136.930773374446 35.176542971847, 136.931276026425 35.1764541071381, 136.931629406859 35.1763959324778, 136.931697445162 35.1766388052478, 136.931841052459 35.1769830221428, 136.931842117933 35.1770076716452, 136.931616872166 35.1770537054647)) ^^http://www.opengis.net/ont/geosparql#wktLiteral