メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.37278128189 36.0436468592164, 139.373613781434 36.0445680729704, 139.37295044987 36.0446282618803, 139.36940221949 36.0446772013477, 139.367925107239 36.0446975530327, 139.368603494241 36.044416113309, 139.368699712475 36.0443977542197, 139.370127815855 36.0437992360857, 139.370104902415 36.0437741727964, 139.371213134142 36.0433023974865, 139.37166023721 36.0431136965505, 139.372145886546 36.0429157839229, 139.37278128189 36.0436468592164)) ^^http://www.opengis.net/ont/geosparql#wktLiteral