メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.971752127375 43.534097936524, 144.971105625424 43.5346287763947, 144.970217778266 43.5340540035236, 144.97049664141 43.5338159453371, 144.970893831606 43.5338660821561, 144.971214635117 43.5339285128718, 144.971752127375 43.534097936524)) ^^http://www.opengis.net/ont/geosparql#wktLiteral