メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.565519608538 36.5149844421428, 136.56438639676 36.5150402724153, 136.564130904724 36.5129000143122, 136.567419353401 36.5126257615337, 136.567563450238 36.5135151302569, 136.567542307958 36.5137294160694, 136.567248755279 36.5137073497056, 136.567233229897 36.5137356456815, 136.567142278304 36.5140218531858, 136.567113481635 36.5143012257567, 136.567128749758 36.5146237676333, 136.567143207676 36.5148870938589, 136.565519608538 36.5149844421428)) ^^http://www.opengis.net/ont/geosparql#wktLiteral