メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((128.842403317926 32.6945100251111, 128.843080835009 32.6952668250885, 128.843973197286 32.6962814326861, 128.843537930243 32.6965540223822, 128.843341558542 32.6966825170979, 128.843040470801 32.6966943440302, 128.842624936233 32.6967011382155, 128.842601049309 32.6961174025017, 128.842269231081 32.6957524428626, 128.841640450454 32.695076257542, 128.84158630336 32.6950179148791, 128.841114759641 32.6945063017016, 128.841379576458 32.6944005022178, 128.842068181456 32.6941211992861, 128.842403317926 32.6945100251111)) ^^http://www.opengis.net/ont/geosparql#wktLiteral