メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.170174715661 34.2366624886311, 135.170147447001 34.2372552248872, 135.169528862366 34.2372494997113, 135.169530620955 34.2362741297152, 135.170178538661 34.2362711768676, 135.170174715661 34.2366624886311)) ^^http://www.opengis.net/ont/geosparql#wktLiteral