メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.274449927248 34.683526314877, 135.27656158999 34.6837668840075, 135.276264322767 34.6857006041361, 135.275033644008 34.685569279689, 135.274012361971 34.6854604115374, 135.272080610586 34.6852543297941, 135.270099111566 34.6850428534912, 135.270401870319 34.6831000884152, 135.274449927248 34.683526314877)) ^^http://www.opengis.net/ont/geosparql#wktLiteral