メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.749165588502 35.091759771647, 136.749511256367 35.091368324567, 136.750141627855 35.0917643787081, 136.750594169667 35.0919829098746, 136.750953895269 35.0921297095712, 136.751300047872 35.09225005258, 136.751507505215 35.0923059740947, 136.751877455833 35.0923463200765, 136.751840885142 35.0924619070635, 136.751427549995 35.0927059387513, 136.750948062742 35.0929840415551, 136.75004031875 35.0924616129777, 136.749041192311 35.0918910444903, 136.747885308123 35.0912059785611, 136.747992905254 35.0910757769372, 136.749165588502 35.091759771647)) ^^http://www.opengis.net/ont/geosparql#wktLiteral