メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.225449452514 34.7144239002558, 135.225387029637 34.7147105765444, 135.225171334759 34.7147031422186, 135.224932814953 34.7146034733102, 135.22459264225 34.7144414448049, 135.224104496235 34.7142241558163, 135.224232541594 34.7139482682296, 135.224239112864 34.7139327264491, 135.224259155136 34.7138849700523, 135.224267752447 34.7138675816413, 135.224341966437 34.7137175906823, 135.225230538612 34.7141167485623, 135.225509291217 34.7141507650299, 135.225449452514 34.7144239002558)) ^^http://www.opengis.net/ont/geosparql#wktLiteral