メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.919890485138 35.4815867443864, 136.919917711227 35.4817442996408, 136.919556975337 35.4817898274414, 136.919594033056 35.4820200807503, 136.919188253955 35.4821408312072, 136.918886635504 35.4821819362128, 136.91887332337 35.4821285986601, 136.918827322268 35.4817315681522, 136.918762196862 35.481275273051, 136.918915836611 35.4811258698384, 136.919085044741 35.4810953373432, 136.919725863104 35.4810098220354, 136.919763621159 35.4810083499214, 136.919890485138 35.4815867443864)) ^^http://www.opengis.net/ont/geosparql#wktLiteral