メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.774502874206 35.3018975067936, 136.774188853308 35.3020594443458, 136.773838039305 35.3015830963527, 136.773820767972 35.3015841669949, 136.77357369759 35.3011855499565, 136.773479637732 35.3011493296141, 136.773478205874 35.3010003114447, 136.773693302691 35.3009112227308, 136.773806464411 35.3010660258653, 136.773913988391 35.3010264456579, 136.773915395525 35.3010285631155, 136.774443511037 35.3018178780726, 136.774502874206 35.3018975067936)) ^^http://www.opengis.net/ont/geosparql#wktLiteral