メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.081220566786 43.5398378769302, 142.081001738061 43.5411214913934, 142.080321623764 43.5410324491786, 142.079777537039 43.5409546515478, 142.079952230619 43.5397415449654, 142.080110618999 43.5386955733337, 142.081374184646 43.5387923879069, 142.081220566786 43.5398378769302)) ^^http://www.opengis.net/ont/geosparql#wktLiteral