メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.007320453524 37.8085160875742, 139.006568861722 37.8085232472585, 139.006208682369 37.8085267594235, 139.006397012345 37.8084259943582, 139.006586425798 37.808314665925, 139.006603699279 37.8083044552972, 139.006681190096 37.8082513280704, 139.006909683424 37.8080621169991, 139.007256121274 37.807781310146, 139.007309418538 37.8077192757015, 139.007382829155 37.8076146384715, 139.007467301511 37.8074995341082, 139.008726151246 37.8074624527663, 139.008763842602 37.8085025712319, 139.007320453524 37.8085160875742)) ^^http://www.opengis.net/ont/geosparql#wktLiteral