メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.993421141394 34.9433476091876, 136.994027133655 34.9446916847375, 136.9926885868 34.9456582325707, 136.992505323523 34.945797327389, 136.991933932699 34.9462309946006, 136.991703360382 34.9459550040793, 136.991538370514 34.9457646807259, 136.991219921486 34.9452107936498, 136.991162380786 34.945120351397, 136.991102040608 34.944979971274, 136.990985553706 34.9447669693588, 136.990942386069 34.9447004226187, 136.990922510747 34.9445458737931, 136.990893900506 34.9444268793063, 136.990879610864 34.9443555848661, 136.990845240158 34.9442247510062, 136.991453561787 34.9439771606901, 136.991546072425 34.9439178524068, 136.991880382187 34.9435296408614, 136.992308135608 34.9433258026341, 136.993219951375 34.9429146097249, 136.993421141394 34.9433476091876)) ^^http://www.opengis.net/ont/geosparql#wktLiteral