メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.851645121559 35.101410492129, 136.85144797104 35.1014157487115, 136.851292015511 35.100752339782, 136.851236882848 35.1006455798297, 136.851110750432 35.1005948268988, 136.851239315786 35.1003604578606, 136.85134126742 35.1002049581022, 136.851415010266 35.100429860783, 136.851645121559 35.101410492129)) ^^http://www.opengis.net/ont/geosparql#wktLiteral