メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.417805547344 34.7740381591855, 135.417730142615 34.7745878710859, 135.417242071622 34.774551657337, 135.416457655928 34.7744816008607, 135.41556893746 34.7744176789601, 135.415566889348 34.773948380361, 135.415575030611 34.7734229326319, 135.416524216416 34.7734257490919, 135.41787172862 34.7735402221547, 135.417805547344 34.7740381591855)) ^^http://www.opengis.net/ont/geosparql#wktLiteral