メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.078060591946 39.4456499376325, 141.077961147088 39.4456917374004, 141.077433513193 39.445966073354, 141.076804143805 39.4456347831689, 141.076773322951 39.4455813648375, 141.076780806368 39.4455279010275, 141.076895153536 39.4453672810126, 141.076956193218 39.4452959016017, 141.077055783556 39.4452956918222, 141.077178506314 39.4453369875078, 141.077622071616 39.4451222251149, 141.078060591946 39.4456499376325)) ^^http://www.opengis.net/ont/geosparql#wktLiteral