メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.853567036321 35.0899071334246, 138.854473023252 35.0901749223946, 138.854201665665 35.090829288939, 138.853998071514 35.0913031607873, 138.853105783102 35.0910353277372, 138.852599446537 35.0909015844727, 138.852549766929 35.0907865099283, 138.852497595605 35.0906693998912, 138.852441758681 35.0905573001132, 138.852419093018 35.0904320754564, 138.852381068051 35.0901733644351, 138.852376087843 35.089589038507, 138.852523816816 35.089605933069, 138.852899995205 35.0897015327621, 138.853567036321 35.0899071334246)) ^^http://www.opengis.net/ont/geosparql#wktLiteral