メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.702239189237 35.3658282338758, 136.702375445861 35.3679300680246, 136.702213720244 35.3679390904058, 136.699298364142 35.3659640035944, 136.696854649077 35.364308918917, 136.696101479206 35.3638141435729, 136.697586934329 35.3637031973761, 136.698015091165 35.3637048702397, 136.69834919441 35.3637371601556, 136.6986601687 35.3637775274027, 136.701512964644 35.3642364304201, 136.701691741822 35.3642659255225, 136.701731576979 35.3648132551767, 136.701748145231 35.3649990213411, 136.702183631742 35.3650511998931, 136.702239189237 35.3658282338758)) ^^http://www.opengis.net/ont/geosparql#wktLiteral