メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.415761608559 43.0149880797917, 144.417136886193 43.0158761036714, 144.41755468713 43.0161467616826, 144.418041416327 43.0164477607331, 144.418070998583 43.0164713221191, 144.417604276178 43.0168036716083, 144.416524069548 43.0176993586064, 144.41613791633 43.0180231449056, 144.415224529532 43.0174396148156, 144.41478223769 43.0171265808756, 144.413879635764 43.016560136308, 144.41299647378 43.0159736248691, 144.412482095274 43.0156485820185, 144.413204100098 43.0150204102959, 144.413953483174 43.0144081030649, 144.414348740929 43.0140546848855, 144.415761608559 43.0149880797917)) ^^http://www.opengis.net/ont/geosparql#wktLiteral