メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.805043041698 35.2861568558003, 136.804867716671 35.2865138674547, 136.804702706426 35.2868457694056, 136.804456545686 35.2873715834767, 136.803202409526 35.2873713353549, 136.802221655414 35.2873710535338, 136.802119446569 35.2873714497973, 136.801370704765 35.2873741854138, 136.801379405394 35.2868623071673, 136.801407414345 35.2866976015336, 136.801472795858 35.2865497707808, 136.801592811449 35.2863713297281, 136.801862104045 35.2863442569232, 136.802168736865 35.2863311690131, 136.80325239843 35.2862590135893, 136.803263722903 35.286013272249, 136.805043041698 35.2861568558003)) ^^http://www.opengis.net/ont/geosparql#wktLiteral