メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.736465652405 35.1791791862341, 136.736466545787 35.1791886261847, 136.736546173142 35.180193197692, 136.735679373621 35.1802489104995, 136.735656086004 35.179948407605, 136.733817554877 35.1800500058609, 136.733548103673 35.1800560127937, 136.733362100933 35.1779375548973, 136.734305325826 35.1778850850079, 136.734758110042 35.177862830633, 136.735462839981 35.1778190100255, 136.735536771254 35.1785266553728, 136.736400377313 35.1784710022409, 136.736401673616 35.1784854427994, 136.736465652405 35.1791791862341)) ^^http://www.opengis.net/ont/geosparql#wktLiteral