メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.883465957836 43.019258591344, 142.883249805028 43.0194593521773, 142.883132976977 43.0193905023347, 142.883084614824 43.0193619344991, 142.883017163609 43.0194294707503, 142.882428452628 43.019078751027, 142.881801684384 43.018693916976, 142.881862295974 43.0186412581701, 142.882794044238 43.0178317667996, 142.882852515786 43.0177810177935, 142.883142244252 43.0179477870845, 142.883714633989 43.018301196137, 142.884156852952 43.0185742329426, 142.884226306457 43.0186173123237, 142.884146419253 43.0186823164162, 142.883466130661 43.0192586948145, 142.883465957836 43.019258591344)) ^^http://www.opengis.net/ont/geosparql#wktLiteral