メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.238919595334 34.8265391789023, 137.236979214763 34.8268108124785, 137.236857960786 34.8259435768181, 137.236786768239 34.8255375041034, 137.236690699356 34.8250755228475, 137.238385087764 34.8248265788121, 137.238958976724 34.82472480439, 137.239655749284 34.8244989891599, 137.239601397583 34.8248483698969, 137.239546954837 34.8250963272928, 137.239478966713 34.8254795240857, 137.239329010883 34.82589657999, 137.239233518137 34.826088216119, 137.239069753975 34.8263475095757, 137.238919595334 34.8265391789023)) ^^http://www.opengis.net/ont/geosparql#wktLiteral