メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.792497872876 34.7647178243428, 135.791386942578 34.7647846729974, 135.791317403203 34.7647866673999, 135.791183210408 34.7647903822624, 135.79118482735 34.7638368972952, 135.791162335713 34.7634373770867, 135.791281287774 34.7628982237314, 135.791294066497 34.7628982455539, 135.791506373909 34.7629002982513, 135.791571982794 34.762882379947, 135.79163555483 34.7628086771699, 135.792066221573 34.7628068746805, 135.792497872876 34.7647178243428)) ^^http://www.opengis.net/ont/geosparql#wktLiteral