メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.583610748786 35.9564461073177, 140.584964293747 35.9567300693064, 140.584587122878 35.9574128595641, 140.583527833478 35.9573917176968, 140.582832105515 35.957306034094, 140.58240485745 35.9572574836185, 140.582576814167 35.9562297764201, 140.583421229881 35.9564063623351, 140.583610748786 35.9564461073177)) ^^http://www.opengis.net/ont/geosparql#wktLiteral