メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.821207289091 35.3135239138074, 136.821652028902 35.3146268239092, 136.821526867439 35.3146534389992, 136.820886434937 35.3148268276838, 136.820371641115 35.3150281081186, 136.820031429811 35.314069087601, 136.819883729445 35.3137403479132, 136.819653816708 35.3131854522231, 136.819673084969 35.3132002259315, 136.820018921843 35.3129805142774, 136.820174529197 35.3128816546699, 136.820804924933 35.3124751387208, 136.821207289091 35.3135239138074)) ^^http://www.opengis.net/ont/geosparql#wktLiteral