メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.711058163961 34.8277275587458, 134.709991410275 34.8279399126261, 134.710022729231 34.8280281332443, 134.709713589966 34.8281017765806, 134.709677516063 34.8280194168453, 134.709199117015 34.8281540125855, 134.709126272013 34.8280064097352, 134.708977005498 34.8276371910141, 134.71089367149 34.8272156315498, 134.71090343334 34.8272484919686, 134.710920940712 34.8273040755291, 134.710966482419 34.8274485252726, 134.711058163961 34.8277275587458)) ^^http://www.opengis.net/ont/geosparql#wktLiteral