メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.845887092437 35.8739137818944, 139.846452185133 35.8739494103759, 139.847061126213 35.8740068396072, 139.847059387062 35.8740297285753, 139.847035571401 35.874343112018, 139.846996290563 35.8749494560856, 139.846976328824 35.8751496472224, 139.846829016255 35.8752295889831, 139.846438541962 35.8754218611581, 139.845949846784 35.8756407762551, 139.845253044046 35.8759168089632, 139.845117432944 35.8759644060771, 139.844649766732 35.8761452449257, 139.844523294826 35.8758257540168, 139.844543472351 35.8755041277684, 139.84458020231 35.8752513079236, 139.844611780723 35.8749546975198, 139.844736207651 35.8738197209636, 139.845359762193 35.87386923116, 139.845887092437 35.8739137818944)) ^^http://www.opengis.net/ont/geosparql#wktLiteral