メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.864544378021 38.9123946159202, 139.864576765622 38.9128688919878, 139.864588420478 38.9130388854831, 139.863443483847 38.9130262095353, 139.862617329669 38.9130145561095, 139.861825699051 38.9130079695692, 139.860995517882 38.913001056513, 139.860520372472 38.9129987160862, 139.86004128668 38.9129947220226, 139.859570178571 38.9130002939124, 139.859014294486 38.9129734840614, 139.857967806653 38.9129744497447, 139.857917334193 38.9123503240229, 139.858956988141 38.9120905155222, 139.860057343342 38.9117843964176, 139.861015447901 38.9115117072136, 139.861739906728 38.9113232110153, 139.861858148677 38.9112923831548, 139.862607809626 38.9110983908658, 139.863450582557 38.9108796192701, 139.864397540856 38.9106232784343, 139.864478727988 38.9115438141251, 139.864544378021 38.9123946159202)) ^^http://www.opengis.net/ont/geosparql#wktLiteral