メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.553277683067 34.0671571543887, 134.552151459212 34.0673697974309, 134.552016029401 34.0670061121975, 134.552399344093 34.0669312682456, 134.553198644565 34.0667753068004, 134.553277683067 34.0671571543887)) ^^http://www.opengis.net/ont/geosparql#wktLiteral