メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.781741869899 35.0737813715624, 136.781604439879 35.0737317074493, 136.781438372785 35.0736506840488, 136.781248014937 35.0734785950107, 136.781033367616 35.0732984704887, 136.780526222292 35.0730548756745, 136.780251581924 35.0729183619599, 136.780469016771 35.0725629181983, 136.781595177939 35.0707216600478, 136.782999148113 35.0712487350525, 136.782647453439 35.0719193315388, 136.782240794813 35.072757925124, 136.781741869899 35.0737813715624)) ^^http://www.opengis.net/ont/geosparql#wktLiteral