メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.729381658638 35.834055872822, 140.729367765718 35.8340738264121, 140.728197623529 35.8356928234225, 140.727759450037 35.8355538488931, 140.72763230126 35.8355047837193, 140.727071493538 35.8353104400769, 140.726547725184 35.835118317835, 140.727638361239 35.8335860596602, 140.727848252886 35.833302898021, 140.728161400639 35.8328667152907, 140.729742687213 35.8335871876881, 140.729381658638 35.834055872822)) ^^http://www.opengis.net/ont/geosparql#wktLiteral