メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.982427096307 34.6652962962002, 134.979425505237 34.6655083185966, 134.979104212742 34.6645318650906, 134.979076901613 34.6645275020411, 134.978892547421 34.6639717852247, 134.978845494432 34.6638841353207, 134.978810974589 34.6636544286213, 134.980139695862 34.6633476365649, 134.981555762602 34.6630493833886, 134.982427096307 34.6652962962002)) ^^http://www.opengis.net/ont/geosparql#wktLiteral