メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.183896081508 34.2329275715124, 135.183463779309 34.2328990534264, 135.183479448545 34.2327161688911, 135.18340970553 34.2327110556001, 135.18342516947 34.23255817455, 135.183268957739 34.2325500902412, 135.183293514175 34.2323161292758, 135.183488790476 34.2323360256725, 135.183904023824 34.232375559093, 135.183896081508 34.2329275715124)) ^^http://www.opengis.net/ont/geosparql#wktLiteral