メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.047524118041 42.9056794886915, 143.048248729043 42.9057377426776, 143.048087181647 42.9070154846758, 143.047353614722 42.9069724842969, 143.046564417497 42.9069257859384, 143.046712358353 42.9056218351302, 143.047524118041 42.9056794886915)) ^^http://www.opengis.net/ont/geosparql#wktLiteral