メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.925133633525 35.2758570665466, 136.924982452494 35.2767245930296, 136.924976905429 35.2770650073974, 136.924998644101 35.277485265389, 136.923051413453 35.2774339395738, 136.922306349613 35.2773963273234, 136.922425014607 35.2769836759371, 136.922512969459 35.2766523008318, 136.922746247835 35.2757732559528, 136.922936541246 35.27493687085, 136.925314233048 35.275015653263, 136.925295300717 35.2751008982476, 136.925225706139 35.2754144969627, 136.925172035585 35.2756724922997, 136.925133633525 35.2758570665466)) ^^http://www.opengis.net/ont/geosparql#wktLiteral