メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.522001365663 34.6722985214243, 135.522040121007 34.672632372866, 135.522103120277 34.673005056169, 135.521178756594 34.6730790513559, 135.520662907303 34.6731239349008, 135.520444723976 34.673114063507, 135.520370931077 34.6724773632818, 135.520352062976 34.6722967058241, 135.52026560819 34.671616148699, 135.520325675575 34.6716144120175, 135.520995827301 34.6715522449171, 135.521032097329 34.6715605574921, 135.521890286459 34.6717552074981, 135.521941916765 34.6719985363113, 135.521952856475 34.6720537362829, 135.522001365663 34.6722985214243)) ^^http://www.opengis.net/ont/geosparql#wktLiteral