メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.928732661724 35.0987754813379, 136.929927531339 35.0991903919726, 136.9304551548 35.099382705165, 136.93047655687 35.0993897902069, 136.930468137075 35.0994054087793, 136.930381757525 35.0995653907755, 136.930356990017 35.0996112603207, 136.930266129277 35.0997493313919, 136.930124353085 35.1000515381626, 136.929601614552 35.0998650771934, 136.929561958225 35.099850913879, 136.928423513857 35.099426532627, 136.928388722473 35.0994119557606, 136.927430614922 35.0990652501344, 136.927652692259 35.098621084325, 136.927767770583 35.0984062989114, 136.928732661724 35.0987754813379)) ^^http://www.opengis.net/ont/geosparql#wktLiteral