メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.033609901889 35.3976145565538, 136.032600759191 35.397912042399, 136.032138684942 35.3970347721962, 136.031994788662 35.3965571316684, 136.033227577002 35.3963274020552, 136.03395915345 35.3961870393053, 136.034054700874 35.3961733483373, 136.034183464253 35.396690427978, 136.034193468398 35.396754087643, 136.034182391368 35.3967802880712, 136.034076581595 35.3969193363216, 136.034168312476 35.3974770613465, 136.033609901889 35.3976145565538)) ^^http://www.opengis.net/ont/geosparql#wktLiteral