メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.13728967492 34.6577613460198, 135.137460091636 34.657870652507, 135.137650061294 34.6579923656295, 135.137161393439 34.6585094406998, 135.136751114508 34.6589538775703, 135.136399865041 34.658733077432, 135.136218901906 34.6586175006905, 135.135949804169 34.6584475700269, 135.136354804556 34.6580212003524, 135.136778628162 34.6575676605115, 135.137032565671 34.6575975362614, 135.137147831581 34.657671147838, 135.13728967492 34.6577613460198)) ^^http://www.opengis.net/ont/geosparql#wktLiteral