メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.403919727998 43.8303409853893, 142.402279801582 43.8291581408309, 142.404682428074 43.8273961178581, 142.406333440064 43.8285708785724, 142.403919727998 43.8303409853893)) ^^http://www.opengis.net/ont/geosparql#wktLiteral