メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.690373987035 34.9006079212438, 135.689559842596 34.9005881568221, 135.688664338506 34.900552049981, 135.688622032306 34.9005503211359, 135.688565723262 34.8995591721046, 135.688941432142 34.8995824649063, 135.689287973909 34.8995936377508, 135.689417495849 34.8995716449377, 135.689545040716 34.8995414767191, 135.689600813964 34.8995197866607, 135.689742557369 34.8997427053127, 135.690035165684 34.9002131445448, 135.690373987035 34.9006079212438)) ^^http://www.opengis.net/ont/geosparql#wktLiteral