メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((127.8187500 26.4208334, 127.8250000 26.4208334, 127.8250000 26.4250000, 127.8187500 26.4250000, 127.8187500 26.4208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral