メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.11195921248 37.9089162028124, 140.112292611288 37.9101277102049, 140.111507148287 37.9102446802235, 140.11146473272 37.9102485029718, 140.110121565271 37.9104673530041, 140.109379511574 37.9105782402474, 140.108529482625 37.9107046459411, 140.10831798251 37.9099097498807, 140.108225249211 37.9095234331961, 140.107989476562 37.9084462576046, 140.109430756002 37.908167783952, 140.110891985507 37.9078777257729, 140.111651548721 37.9077314593768, 140.11195921248 37.9089162028124)) ^^http://www.opengis.net/ont/geosparql#wktLiteral