メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.250064119392 34.8190940947378, 137.250214871989 34.8195560261051, 137.250310815882 34.8198602273261, 137.25048898357 34.8203897614674, 137.249341666873 34.8209991124185, 137.248426544038 34.8214955967738, 137.247292928873 34.8221725317052, 137.246991526095 34.8213726130565, 137.246827100493 34.8209106825694, 137.246660404466 34.8204631223507, 137.246457192675 34.8199192337533, 137.246238140047 34.8194686200507, 137.246005355808 34.8189391323332, 137.247453626637 34.8186451462044, 137.249762671391 34.8182265779724, 137.250064119392 34.8190940947378)) ^^http://www.opengis.net/ont/geosparql#wktLiteral