メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.216050926574 34.7127345147041, 135.216267382145 34.712814078491, 135.216538610427 34.7129112742201, 135.21700436801 34.7130791761428, 135.216832348916 34.7133283305341, 135.216816262557 34.713355491559, 135.21668450649 34.7135412501973, 135.216542025524 34.7137451160054, 135.216499056163 34.7138107847304, 135.215764818542 34.7135479177524, 135.215397737287 34.713419862895, 135.215213933636 34.7133310463412, 135.214841108751 34.7131759871116, 135.215003893108 34.7130846609748, 135.215779747287 34.7126418249365, 135.216050926574 34.7127345147041)) ^^http://www.opengis.net/ont/geosparql#wktLiteral