メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.778207804833 36.8442255938933, 140.779010093221 36.8441767675935, 140.779791115342 36.8441153629018, 140.780551132421 36.8440625693447, 140.781158065891 36.844019578301, 140.781071304793 36.8434131265285, 140.78129825463 36.8433985746612, 140.78136388909 36.8434575413636, 140.781437934362 36.8435377025048, 140.781521447961 36.8436471454834, 140.781563657249 36.8437312206802, 140.781601402628 36.8438300452504, 140.781607183508 36.8439291245603, 140.781640374268 36.8440279133264, 140.781704947586 36.8440787924724, 140.781755406839 36.8441004267532, 140.781558611481 36.8444360495292, 140.781438120974 36.8446732073889, 140.781246232536 36.8449592285522, 140.781090197341 36.8451557674048, 140.780928750496 36.8453396052188, 140.780737203854 36.8454408890237, 140.779939400008 36.8454850455871, 140.77934896036 36.8455240986918, 140.778789468423 36.845558254875, 140.778593723037 36.845105576875, 140.777946144538 36.8452847526458, 140.777812073433 36.8442626689927, 140.778207804833 36.8442255938933)) ^^http://www.opengis.net/ont/geosparql#wktLiteral