メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((145.035312373052 43.1354262781291, 145.033833571947 43.1362502589368, 145.032840432607 43.1353690269101, 145.032576337795 43.1354868450286, 145.031260449791 43.13432730815, 145.029924436267 43.1331674718494, 145.030893392031 43.1325939872179, 145.03330875244 43.1347240903699, 145.034000513267 43.1343183634126, 145.034408915235 43.1346466021624, 145.035312373052 43.1354262781291)) ^^http://www.opengis.net/ont/geosparql#wktLiteral