メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.112520324465 43.545207893748, 142.11221131681 43.545218217045, 142.11186999653 43.5451963983934, 142.111446340615 43.5451488120881, 142.110222708002 43.54489474375, 142.109834530239 43.5447829534457, 142.10954644175 43.5446541953933, 142.10927124874 43.544504915401, 142.11053347804 43.5430093381194, 142.110773326427 43.5427449952203, 142.111134452981 43.5424689115866, 142.111771720141 43.5418164639826, 142.11186674091 43.5411604510352, 142.11308823905 43.5412498404504, 142.112971479699 43.5420280531477, 142.112840574839 43.5429502374299, 142.112520324465 43.545207893748)) ^^http://www.opengis.net/ont/geosparql#wktLiteral