メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.003100472962 34.8894928816326, 137.003480176922 34.8898868078135, 137.004021908585 34.8904390623674, 137.004270164163 34.8906860352366, 137.005152377769 34.8915850356397, 137.004883700534 34.8917081365194, 137.004143201877 34.8919972366291, 137.00359509314 34.8914710336261, 137.003403561801 34.8913213969049, 137.002644741073 34.8907550417002, 137.002319531069 34.8905140164019, 137.00217323847 34.8904087376399, 137.001319745577 34.8897536442875, 137.002699695106 34.8890920225112, 137.003100472962 34.8894928816326)) ^^http://www.opengis.net/ont/geosparql#wktLiteral