メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.289756583431 38.3704632639282, 140.289637845265 38.370530285991, 140.289411431737 38.3706308776445, 140.288877292216 38.3706766924349, 140.28897148842 38.3705442397046, 140.288930005828 38.3703409151913, 140.288392191212 38.370406137791, 140.288360824891 38.3704100747413, 140.288245720235 38.3698724983441, 140.287951029332 38.3683653041069, 140.287642734221 38.3668079313666, 140.288823505306 38.3666220915505, 140.289531420287 38.3665213343513, 140.289543910132 38.3668478404662, 140.289630697403 38.3674608771483, 140.290294340341 38.3703279300066, 140.290204337618 38.3703659461635, 140.289756583431 38.3704632639282)) ^^http://www.opengis.net/ont/geosparql#wktLiteral