メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.279092508575 40.7367902517478, 141.27749406751 40.7360748063128, 141.275686815755 40.7352548842495, 141.275379783024 40.7351155527483, 141.275191498848 40.7350301530801, 141.275533564142 40.7346367278071, 141.275937944175 40.7341084631028, 141.277170378494 40.73262075209, 141.277778466197 40.7317850653091, 141.278190240365 40.731302849765, 141.280644059175 40.7324065864766, 141.280501565703 40.7328449196841, 141.280362270544 40.7337594367414, 141.280214698513 40.7343853693529, 141.280094592698 40.7348597093434, 141.279923909491 40.7353438129867, 141.279092508575 40.7367902517478)) ^^http://www.opengis.net/ont/geosparql#wktLiteral