メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.947561095933 34.9251976407853, 136.948784605004 34.925392747325, 136.948823580072 34.9252132267934, 136.9488555051 34.9250884166077, 136.949000426113 34.9251189601573, 136.949059948024 34.9251315326133, 136.949277206512 34.9251622769049, 136.949303991025 34.9251627477356, 136.949457684386 34.9251656294398, 136.949604954382 34.9251962476892, 136.949803659671 34.9252754822965, 136.949913914319 34.9253758268723, 136.950034953529 34.9255702124495, 136.9500456231 34.925715804981, 136.949971054313 34.9258801201846, 136.949947376215 34.9261453786289, 136.949947113717 34.9262451739146, 136.949965597926 34.9263616943875, 136.949571767994 34.9263604965495, 136.948685689923 34.9263474269466, 136.947264691731 34.9263173961958, 136.945330626421 34.9261023119693, 136.945630655181 34.925527749106, 136.945949198533 34.9249425131643, 136.947561095933 34.9251976407853)) ^^http://www.opengis.net/ont/geosparql#wktLiteral