メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.036046603758 43.5680691466546, 142.034014883977 43.5679578702879, 142.034019157588 43.5679325259716, 142.034179343145 43.5668895465854, 142.034285189493 43.5662541772756, 142.034384898352 43.5655294130699, 142.035336233381 43.5656158822843, 142.036106431141 43.5656690973071, 142.037051363909 43.5657414748581, 142.0368989449 43.5667438883807, 142.036781461254 43.5670120331762, 142.036585745582 43.5674353481549, 142.036514367806 43.5674775869264, 142.036462378875 43.5675339982385, 142.036046603758 43.5680691466546)) ^^http://www.opengis.net/ont/geosparql#wktLiteral