メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.99240660617 43.1066511387075, 142.992354698368 43.1066608289061, 142.991335797765 43.1068512794026, 142.99129728544 43.1067302785746, 142.990889423339 43.1055006585131, 142.990880042889 43.1054710404274, 142.990720757773 43.1049662542361, 142.991730308075 43.1047748845657, 142.991796338424 43.1047623600596, 142.993170213929 43.104501941895, 142.993233792369 43.1044892911419, 142.993549361057 43.1055290476215, 142.994282982162 43.1054030983246, 142.994576645491 43.1062456475315, 142.994517893671 43.1062566498846, 142.993806664047 43.1063895587202, 142.99240660617 43.1066511387075)) ^^http://www.opengis.net/ont/geosparql#wktLiteral