メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.776838967036 35.4438214552497, 136.776661025589 35.4438453548052, 136.776651088817 35.44368419957, 136.776593733846 35.443354339529, 136.777946737504 35.4432082561134, 136.777949076358 35.4432406930142, 136.778248520086 35.4432260168287, 136.778284001436 35.4435336958033, 136.778290340349 35.4435935388879, 136.778141912767 35.443608873748, 136.77813808385 35.4435550600218, 136.776816805399 35.4437239213443, 136.776838967036 35.4438214552497)) ^^http://www.opengis.net/ont/geosparql#wktLiteral