メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.175004511557 33.9131806076943, 133.174592865889 33.9139790204772, 133.174053931741 33.9138127594879, 133.174392331511 33.9129974614315, 133.173936421859 33.9128674169912, 133.17415922179 33.9120797778888, 133.175353708019 33.9119697407562, 133.175651879049 33.9119425629815, 133.175620550464 33.9120001005034, 133.175366745527 33.9124663121495, 133.175120870996 33.9129574781641, 133.175004511557 33.9131806076943)) ^^http://www.opengis.net/ont/geosparql#wktLiteral