メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.487005805181 36.4534750539058, 136.487238385173 36.4536749693749, 136.487499526703 36.4538908868238, 136.487713860781 36.4540038719238, 136.487856309961 36.4540443458552, 136.487984421365 36.4540658116582, 136.488131552576 36.4540810784028, 136.4883496911 36.4540757772734, 136.489949338707 36.4538903134096, 136.49006317673 36.4545500921466, 136.490193907601 36.4545354483943, 136.490399092749 36.4557309472136, 136.490773396131 36.4576335395585, 136.488956371374 36.4578618626673, 136.488511771068 36.4579092463743, 136.488096820594 36.455608726531, 136.488048034324 36.455345893136, 136.487262447925 36.4552368260534, 136.487222559335 36.4551602961815, 136.487034942464 36.4541402145496, 136.486954349663 36.4535684645321, 136.487005805181 36.4534750539058)) ^^http://www.opengis.net/ont/geosparql#wktLiteral