メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.490609122918 34.6642836362257, 135.490732370296 34.6646737835558, 135.490847365303 34.6650378040271, 135.490886947824 34.6651792501473, 135.491104717513 34.665839097589, 135.490319561958 34.6660044319441, 135.489122661599 34.6662563584149, 135.488988719156 34.6658298401727, 135.488855823119 34.6654065661692, 135.488725730408 34.6649921772238, 135.488694610124 34.6644515708035, 135.489319637148 34.6643961513523, 135.489351822027 34.6643881165155, 135.489347580249 34.6634530751971, 135.490437105115 34.6633640937913, 135.490609122918 34.6642836362257)) ^^http://www.opengis.net/ont/geosparql#wktLiteral