メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.045557803426 35.5163671510694, 134.045461039401 35.5178828916291, 134.0448891096 35.517876243876, 134.044641823524 35.5161391258818, 134.044345316948 35.5145426233706, 134.044210516361 35.514074992399, 134.04404302341 35.5136577033762, 134.043862167083 35.5133466105056, 134.045581193491 35.5133967046078, 134.045553697343 35.5146782877321, 134.045560859427 35.5163192013908, 134.045557803426 35.5163671510694)) ^^http://www.opengis.net/ont/geosparql#wktLiteral