メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.748829310796 35.4190338469497, 136.748802960799 35.4191306553594, 136.747787301582 35.4189481163425, 136.747772760892 35.4189986989308, 136.747387886618 35.4189317760002, 136.747375113095 35.418981483996, 136.747213232807 35.4189527925693, 136.747230517497 35.4189044026471, 136.746959481732 35.4188572693254, 136.7470144186 35.4186557748425, 136.747234885824 35.418700056202, 136.747221233356 35.4186284966859, 136.747215472234 35.4185365777209, 136.747324390304 35.4185512142283, 136.747334736531 35.4187131822328, 136.747671570226 35.4187705041812, 136.747719303771 35.4185893709846, 136.747878426569 35.4186103400149, 136.747915811133 35.4186257851166, 136.748314989095 35.4186961015936, 136.748850056256 35.4187224823153, 136.748853198429 35.4188890033559, 136.748829310796 35.4190338469497)) ^^http://www.opengis.net/ont/geosparql#wktLiteral