メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.894063072941 35.2357266354088, 136.89348550754 35.2358248379292, 136.893480548598 35.2358256713333, 136.89177213072 35.2358314359371, 136.89179657005 35.2348085074175, 136.891800697355 35.2346355546226, 136.891809588304 35.2342607767083, 136.891830323914 35.2333870688246, 136.89183474521 35.2321543003658, 136.892129864963 35.2322642011834, 136.892363278591 35.2318850043079, 136.892597434517 35.2319954692669, 136.893855807192 35.2325762264077, 136.894074492908 35.2326748924767, 136.894038956129 35.2338793502779, 136.894063072941 35.2357266354088)) ^^http://www.opengis.net/ont/geosparql#wktLiteral