メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.906955262181 35.0731333309082, 136.907165522079 35.0731246189795, 136.907853704408 35.0730959984921, 136.908369911564 35.0730701110669, 136.90907605 35.0730303937279, 136.909194558492 35.0730314164228, 136.909205972317 35.0734540003549, 136.909216131285 35.073888132053, 136.909135290379 35.0738943008337, 136.909103271236 35.0739230381176, 136.907890139221 35.0740508496057, 136.906121353063 35.074228178079, 136.906102130303 35.0739929831892, 136.90607841181 35.0737025633849, 136.906060740958 35.0734575115863, 136.906035448962 35.0731770198094, 136.906955262181 35.0731333309082)) ^^http://www.opengis.net/ont/geosparql#wktLiteral