メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.553080316538 34.0663643587, 134.553198644565 34.0667753068004, 134.552399344093 34.0669312682456, 134.552016029401 34.0670061121975, 134.551984949312 34.0669224227152, 134.55186447947 34.0665979814465, 134.551700276589 34.0661110732807, 134.552946654797 34.0658701451168, 134.553080316538 34.0663643587)) ^^http://www.opengis.net/ont/geosparql#wktLiteral