メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.796825840241 38.0555641078665, 140.7964811528 38.055540913903, 140.7951141505 38.0554337585283, 140.793930034917 38.0553407285606, 140.793928319506 38.0555599322718, 140.792607290511 38.0555732764316, 140.7918253563 38.0555870802633, 140.790918586073 38.0555141092585, 140.790720325415 38.0547080350117, 140.790564130091 38.0540727494832, 140.790463204518 38.0538207052091, 140.790045101106 38.0529065657217, 140.790567551146 38.0528952128704, 140.791713259398 38.0529233605218, 140.792138044191 38.0529337888801, 140.792331737922 38.0529596200802, 140.794399154812 38.0534266111424, 140.795283790595 38.0535191176259, 140.796185996421 38.0535699502299, 140.796737559353 38.0536768380157, 140.79679727742 38.0543424944862, 140.796825840241 38.0555641078665)) ^^http://www.opengis.net/ont/geosparql#wktLiteral