メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.12520370348 37.9364675993255, 139.123754497041 37.9384163209386, 139.120863306207 37.9382017695185, 139.120804392468 37.9375315237995, 139.12088969649 37.9365344563087, 139.121018622098 37.9360431356931, 139.121082066183 37.9358672411373, 139.121148638882 37.9356827395334, 139.12134194195 37.9351796737655, 139.121364118136 37.9351219731813, 139.121495233885 37.9348923603842, 139.121775576659 37.9344040376524, 139.121934503599 37.93403165852, 139.124676552524 37.9342336026249, 139.126726440924 37.9344011183216, 139.126741679553 37.9344023631483, 139.12520370348 37.9364675993255)) ^^http://www.opengis.net/ont/geosparql#wktLiteral