メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.783743962021 43.0120577020463, 141.783769716656 43.0120609719025, 141.784864202985 43.0121977061417, 141.785848287937 43.0123092971416, 141.78570845748 43.0129983931977, 141.785695713333 43.0130491200717, 141.785368447143 43.0143526380847, 141.784925065837 43.0164058306523, 141.784910047738 43.0164719502548, 141.78442412657 43.0186078171162, 141.783007400783 43.0182728433933, 141.781183695462 43.0178416657706, 141.780940973142 43.0185413063284, 141.779584747759 43.0184773097099, 141.779112041391 43.0184633446808, 141.779485686204 43.0162754871659, 141.779536758827 43.0160127309842, 141.77958593325 43.0157599532494, 141.779625882481 43.0155544709197, 141.780022473042 43.013885604281, 141.780042739869 43.0137914438606, 141.780318577333 43.012510305962, 141.78032471593 43.0124843089926, 141.781041157287 43.0125084089983, 141.781231349435 43.0117880861349, 141.781442207511 43.0118107500254, 141.781590680583 43.0118267582449, 141.782682088243 43.0119440890598, 141.782720821918 43.0119482555244, 141.783714033685 43.0120549778699, 141.783743962021 43.0120577020463)) ^^http://www.opengis.net/ont/geosparql#wktLiteral