メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.33757493225 43.0511012877578, 141.337867069215 43.0511252096251, 141.338125045925 43.0511439342085, 141.338840934002 43.051182483923, 141.338834041307 43.0512334876974, 141.338776577523 43.0515781382688, 141.338688469518 43.0522758800436, 141.338669310513 43.0524040087206, 141.338264521186 43.0523711734974, 141.337741231235 43.0523425968025, 141.33750504595 43.0523284751267, 141.336684578965 43.0522793774642, 141.336707207397 43.0519436637505, 141.336727150905 43.0517952867721, 141.336776114711 43.0514490931826, 141.336837901705 43.0510594672969, 141.33757493225 43.0511012877578)) ^^http://www.opengis.net/ont/geosparql#wktLiteral