メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.996845463523 34.89935683906, 136.995919154399 34.8982884811737, 136.995351910461 34.897636783509, 136.995335081064 34.8976062644027, 136.9957090974 34.8974001557144, 136.995886601006 34.8972812408981, 136.996170894287 34.8970783156344, 136.997480098512 34.8984744848358, 136.997374992099 34.8986385773367, 136.997042921148 34.8990711061803, 136.996845463523 34.89935683906)) ^^http://www.opengis.net/ont/geosparql#wktLiteral