メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.910640234327 43.4857027445211, 141.909945197036 43.4858152029116, 141.909797996278 43.4858373042741, 141.909247939541 43.4859230103421, 141.908897751735 43.4846987333392, 141.909687595972 43.4845699322243, 141.910380771239 43.4844597910201, 141.911630285401 43.4855440387319, 141.91064634852 43.4857017428044, 141.910640234327 43.4857027445211)) ^^http://www.opengis.net/ont/geosparql#wktLiteral