メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.001417386072 34.884553940734, 137.001076597288 34.8846381991771, 137.000616648132 34.885357990642, 137.000104587959 34.8838058600844, 137.001596014606 34.8834526653891, 137.001868729546 34.8833926101007, 137.002087219665 34.8835358099835, 137.002305703245 34.8836938707649, 137.002442206066 34.883818013231, 137.002578642884 34.8839759617707, 137.002701494077 34.8840888166562, 137.002370044022 34.8843424755819, 137.001855676548 34.8844565735035, 137.001417386072 34.884553940734)) ^^http://www.opengis.net/ont/geosparql#wktLiteral