メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.934048093253 35.0843823191536, 136.934035699518 35.0844649081319, 136.933945891902 35.0844647360963, 136.933891341072 35.0845644986265, 136.93290912528 35.0839136866303, 136.932757295264 35.0840195302661, 136.932684413539 35.0839870628345, 136.932752185617 35.0838395758658, 136.932503212532 35.0837192282677, 136.93267324143 35.0833929096772, 136.93269522665 35.0833506950918, 136.933860656932 35.084121093752, 136.934066881283 35.0842574151267, 136.934048093253 35.0843823191536)) ^^http://www.opengis.net/ont/geosparql#wktLiteral