メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.753980620066 35.43789853234, 136.754471857789 35.4381510289972, 136.754972568247 35.4384113383096, 136.75488883478 35.4386588920833, 136.753795746574 35.4384060095086, 136.753758320883 35.4383968337011, 136.751975432597 35.4379635030766, 136.752233500571 35.4375059598999, 136.752496611976 35.4371046605177, 136.752903481557 35.4373136382989, 136.753980620066 35.43789853234)) ^^http://www.opengis.net/ont/geosparql#wktLiteral