メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.328855367633 38.4992065998514, 141.328407644468 38.4992728282355, 141.325027544536 38.4997733105869, 141.321647438592 38.5002735508093, 141.31846223788 38.5006652178636, 141.316450023497 38.5024468445501, 141.315011707841 38.5039062553195, 141.313098552866 38.5027018092598, 141.314443555326 38.5020449283175, 141.314791372801 38.50188442312, 141.313977548867 38.4997777684583, 141.313132484585 38.4976016922704, 141.312448061932 38.4957898259344, 141.313760556904 38.4954844548357, 141.314980567083 38.495185643807, 141.315616393629 38.4950439400097, 141.315667221963 38.4951391721455, 141.315809814068 38.4951261956704, 141.316167126464 38.4952203031311, 141.316407873691 38.4952670294834, 141.316627426602 38.4953055373114, 141.316809360489 38.4952486170781, 141.327993534308 38.4924466511852, 141.329845523285 38.4990600802191, 141.328855367633 38.4992065998514)) ^^http://www.opengis.net/ont/geosparql#wktLiteral