メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.220199108722 36.0370954823037, 136.219778457964 36.0371163339169, 136.219143813506 36.0371531762463, 136.218808042907 36.0371829995904, 136.21854423002 36.0372029462456, 136.218122484464 36.0372360714622, 136.218152974729 36.0361847488655, 136.218193955693 36.0352986803336, 136.21821881168 36.0346266953315, 136.218706122058 36.0346149679427, 136.219069841475 36.03461706099, 136.219955905787 36.0345869620636, 136.220370479125 36.0345915374804, 136.220354208047 36.0350473581923, 136.220320360986 36.0355032003073, 136.2202804353 36.0361282020062, 136.220199108722 36.0370954823037)) ^^http://www.opengis.net/ont/geosparql#wktLiteral