メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.595571356659 36.3469178941962, 140.595425202307 36.3471222049273, 140.595340938496 36.3471025044656, 140.595143534836 36.3470473688056, 140.594946570194 36.3470283855416, 140.594780608289 36.3470204005511, 140.594802881991 36.346569606958, 140.594804624645 36.3465336889989, 140.595571356659 36.3469178941962)) ^^http://www.opengis.net/ont/geosparql#wktLiteral