メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.994882077015 43.5571033623675, 144.994647272655 43.55694087341, 144.994301965503 43.5567170126929, 144.994071029784 43.5565587536288, 144.994032563911 43.5565335889176, 144.994882645225 43.555865002502, 144.994891847661 43.5558717425723, 144.995326026131 43.5561576663843, 144.995715772666 43.5564061926791, 144.994882077015 43.5571033623675)) ^^http://www.opengis.net/ont/geosparql#wktLiteral