メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.89367058089 35.2836490896162, 136.891182808479 35.2841258301007, 136.891105292734 35.2841399515716, 136.890393449804 35.2842605262651, 136.889952328823 35.284352696293, 136.889545410419 35.2844132518, 136.889177086964 35.2844831901543, 136.888340280295 35.2813531952126, 136.892022825257 35.2806639786459, 136.892136257665 35.2806371906112, 136.892140015482 35.280745370766, 136.892172800549 35.2808028403332, 136.892213955306 35.2808232149799, 136.892292233641 35.2808369122524, 136.893134947804 35.2815415673006, 136.893922182024 35.2822055991782, 136.894690912722 35.2828526852232, 136.895025954964 35.2831271007403, 136.895276657797 35.283357383937, 136.895099291514 35.2833874126245, 136.894451695895 35.2834974512669, 136.89367058089 35.2836490896162)) ^^http://www.opengis.net/ont/geosparql#wktLiteral