メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.52581713566 43.8511241928313, 141.525521447169 43.8510871769895, 141.525496656689 43.8510840846767, 141.525462745498 43.8510798436399, 141.525351682628 43.8516054910919, 141.525143799976 43.8515595543757, 141.524165929927 43.8513434972247, 141.524421150705 43.8508587078948, 141.524626212828 43.8504873614751, 141.524724969855 43.8503003023231, 141.524803735843 43.8501511592767, 141.525090447304 43.849616781428, 141.525384278363 43.8491319366734, 141.525570533547 43.8491737611093, 141.525821100348 43.8491848947918, 141.526222634548 43.8492027487753, 141.526091510615 43.8498172257781, 141.525912485572 43.8506560566711, 141.52581713566 43.8511241928313)) ^^http://www.opengis.net/ont/geosparql#wktLiteral