メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.370616815113 38.4254090285717, 141.370653349438 38.4253165161656, 141.370858612078 38.4254324172676, 141.371518418264 38.4259895228784, 141.371038879142 38.4272179679534, 141.370019826671 38.4269750115533, 141.369376873251 38.4268207047962, 141.370000320039 38.4251650755426, 141.370616815113 38.4254090285717)) ^^http://www.opengis.net/ont/geosparql#wktLiteral