メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.560009558738 34.5549403591761, 135.558882134435 34.5549999750922, 135.558820164397 34.5543768549793, 135.558831387941 34.5539913532996, 135.559485569198 34.5539727181878, 135.559491083915 34.5540572558725, 135.560011300857 34.5540574356164, 135.560055535699 34.5545579402908, 135.560068343105 34.5545588310449, 135.560054570773 34.5549362946033, 135.560054561895 34.5549379849283, 135.560009558738 34.5549403591761)) ^^http://www.opengis.net/ont/geosparql#wktLiteral