メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.103417230547 35.034094130216, 137.102251632525 35.0347676737909, 137.101848376276 35.0349216308904, 137.100928261831 35.0352730065791, 137.100363319982 35.034077165013, 137.100812634268 35.0340120484345, 137.100877093868 35.0340006745712, 137.101263781779 35.0338486114345, 137.101709618473 35.0336989746242, 137.102795381497 35.033302042141, 137.10282475664 35.033356007361, 137.102994422732 35.033635346891, 137.103128559638 35.0337976150282, 137.103359182435 35.0340292360152, 137.103417230547 35.034094130216)) ^^http://www.opengis.net/ont/geosparql#wktLiteral