メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.162019916503 34.6690457390143, 135.161631864845 34.6694291191985, 135.161488711836 34.6693326213486, 135.161324277025 34.669221619148, 135.160975034699 34.669000034941, 135.160558232086 34.6687220023774, 135.160793092725 34.6684747500993, 135.161093515664 34.6685110183278, 135.162366510826 34.6686939108256, 135.162019916503 34.6690457390143)) ^^http://www.opengis.net/ont/geosparql#wktLiteral