メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.946957885211 35.1497816503151, 136.946977175552 35.1498307708276, 136.947162728814 35.1506471083257, 136.947254070454 35.1510317176358, 136.947174863106 35.1510479133715, 136.946432464964 35.1513419921656, 136.946009405149 35.1515062235753, 136.945740010338 35.1509817059528, 136.94571253767 35.1509303869775, 136.945615635826 35.1505121723989, 136.945587584286 35.1504374710686, 136.945544393089 35.1504521807853, 136.945482297927 35.1503467126057, 136.945393338726 35.1501956315363, 136.945368035191 35.1499606503871, 136.945545569579 35.1499280169131, 136.945467954601 35.1495679370624, 136.946855664274 35.1494105405084, 136.946957885211 35.1497816503151)) ^^http://www.opengis.net/ont/geosparql#wktLiteral