メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.660522031212 32.6867186569097, 130.660362808242 32.6866170872739, 130.660142154933 32.6864240779998, 130.659726705284 32.6860974125603, 130.660299570783 32.6855168110683, 130.660481425262 32.6853334540732, 130.661298780235 32.6859676437407, 130.661017010066 32.6862234740819, 130.660944304002 32.6862883761569, 130.660776229492 32.6864181547785, 130.660580720558 32.6866206033918, 130.660522031212 32.6867186569097)) ^^http://www.opengis.net/ont/geosparql#wktLiteral