メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.175417272275 34.6806301106966, 135.175179811111 34.6808886750369, 135.174773738572 34.6806616056349, 135.174425161348 34.6804544208636, 135.17455473621 34.6803183034302, 135.174690063233 34.6802114441891, 135.175030548021 34.6798890648, 135.175730201877 34.6802808756209, 135.175417272275 34.6806301106966)) ^^http://www.opengis.net/ont/geosparql#wktLiteral