メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.086213560876 34.6705296896673, 134.085015446441 34.6707040167104, 134.084963993638 34.6703337195301, 134.084917363578 34.6700255531612, 134.08481777177 34.6694245576947, 134.084755156745 34.6690243714301, 134.085138249308 34.668969375407, 134.085835508072 34.6688829064191, 134.086104796807 34.6700723625921, 134.086213560876 34.6705296896673)) ^^http://www.opengis.net/ont/geosparql#wktLiteral