メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.933810156408 35.0866209882079, 136.933469313251 35.0865139166072, 136.933042357495 35.0863712534268, 136.932803194498 35.0862861373138, 136.933204119575 35.0855607954515, 136.933433366227 35.0856450450711, 136.93371784619 35.0857469377485, 136.933633214126 35.0859036195138, 136.934095330031 35.0860566310839, 136.933810156408 35.0866209882079)) ^^http://www.opengis.net/ont/geosparql#wktLiteral