メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((145.13405807974 43.6543144605539, 145.13350210457 43.654147679269, 145.133416809953 43.6541220931943, 145.132318136646 43.6537744057446, 145.132653205585 43.6533405875613, 145.132945340651 43.6529649510362, 145.133319384365 43.6524957610265, 145.133839572346 43.6518182506369, 145.135140350965 43.6524957782634, 145.13535392487 43.6525912172355, 145.135099628213 43.6529194227418, 145.134774367687 43.6533634430723, 145.134501895714 43.6537288127426, 145.134297528191 43.6540036484263, 145.134208549279 43.6541275828008, 145.13405807974 43.6543144605539)) ^^http://www.opengis.net/ont/geosparql#wktLiteral