メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.177961952701 34.9566569228621, 137.177751304996 34.9567401866346, 137.177217600363 34.956950877691, 137.177204720875 34.9569291162925, 137.177095763969 34.9566972069926, 137.177220762944 34.9566508563471, 137.1771144892 34.9564212717379, 137.177069676661 34.9564348675471, 137.177021517207 34.9563255679177, 137.176678750601 34.9564342630889, 137.176360047282 34.9557599436652, 137.17649850935 34.9557060565073, 137.177104327427 34.9555411406206, 137.17751828135 34.9554246218821, 137.177900096018 34.956293946407, 137.17803520197 34.9566280425978, 137.177961952701 34.9566569228621)) ^^http://www.opengis.net/ont/geosparql#wktLiteral