メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.602107824468 35.3203702363094, 136.599092266424 35.3210265798546, 136.598773919157 35.320037825442, 136.599310040104 35.3199170503309, 136.599101088553 35.3178434128938, 136.60064807544 35.3177874527434, 136.600419875235 35.3170788301897, 136.601734361566 35.3170282402078, 136.602429728289 35.3170093856865, 136.604551087249 35.3169288090024, 136.605410460014 35.3196360005373, 136.60342145073 35.32009189739, 136.602107824468 35.3203702363094)) ^^http://www.opengis.net/ont/geosparql#wktLiteral