メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.693892404201 35.3409513010197, 136.692452096128 35.3411052892453, 136.687966935733 35.3413402284614, 136.687963196416 35.341340425435, 136.687962970846 35.3412101429741, 136.687963387437 35.341138946827, 136.687971875148 35.3408265863765, 136.687971879272 35.3408258814908, 136.68799638253 35.3399209783117, 136.687996385826 35.339920414944, 136.68800268816 35.3396878339834, 136.688004786044 35.3396598138903, 136.688030275116 35.3393207597982, 136.692064258042 35.3390855124699, 136.693607371144 35.3389305204121, 136.693892404201 35.3409513010197)) ^^http://www.opengis.net/ont/geosparql#wktLiteral