メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.152397646807 34.6535939451472, 135.152573314105 34.6537077024966, 135.152233269808 34.6540728383195, 135.152195467201 34.6541114057413, 135.152068490054 34.6542339603402, 135.152044256422 34.6542656753145, 135.151866084188 34.6544516779831, 135.150954846551 34.6538650749079, 135.151095721652 34.6537170738082, 135.151244170122 34.6535591621151, 135.15131383036 34.6534840393348, 135.151661969331 34.6531098367662, 135.152079216393 34.6533842380858, 135.152249384214 34.6534935254736, 135.152397646807 34.6535939451472)) ^^http://www.opengis.net/ont/geosparql#wktLiteral