メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.143242084922 34.6541510186116, 135.14282084062 34.6545842791746, 135.1426994346 34.6547203093415, 135.14249685027 34.6549222376474, 135.142052199207 34.6546322083098, 135.142023464523 34.6546135247697, 135.141577377335 34.6543243487884, 135.141544498254 34.6543087910568, 135.141741630269 34.6541069014131, 135.141917010012 34.6539119170797, 135.142286769255 34.6535128065467, 135.142715029338 34.653800689487, 135.142893455442 34.6539189500723, 135.143242084922 34.6541510186116)) ^^http://www.opengis.net/ont/geosparql#wktLiteral