メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.283384786497 43.0714837706351, 141.283999446792 43.0713475265026, 141.284115189807 43.0714664450485, 141.284194991379 43.0715832327414, 141.284250053256 43.071742148739, 141.284280971496 43.0719113412921, 141.28429320204 43.0720487272919, 141.284288448622 43.07235131339, 141.284287688096 43.0723692410576, 141.284281164081 43.0725097041805, 141.284277626809 43.0727348685247, 141.284324301155 43.0728232448256, 141.284390006349 43.0729153672063, 141.284693482626 43.0731571878474, 141.284982666081 43.0733011985184, 141.284788478606 43.0734428924921, 141.283710624482 43.0734575699486, 141.283323350802 43.0734628820557, 141.283070003569 43.0732484182558, 141.283033193191 43.0732161776806, 141.282690173552 43.0729087547989, 141.282320578715 43.0725834539632, 141.282308309767 43.072570620335, 141.282206433018 43.0726373456917, 141.281869011508 43.0723282797128, 141.28213583761 43.0721796790908, 141.28204786894 43.0719968525421, 141.282565613571 43.0717469171752, 141.283262991269 43.0715058104406, 141.283384786497 43.0714837706351)) ^^http://www.opengis.net/ont/geosparql#wktLiteral