メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.642062606522 35.4479609355392, 139.641780750552 35.4481091193717, 139.641535001016 35.4482290155089, 139.641109987883 35.4484470097115, 139.640894599076 35.4485734308007, 139.640750730114 35.4483648690958, 139.641682436757 35.4478968254858, 139.64155612352 35.4477421612188, 139.641801040288 35.4476188473743, 139.642062606522 35.4479609355392)) ^^http://www.opengis.net/ont/geosparql#wktLiteral