メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.927774089433 35.192326558146, 136.927810495156 35.1930236198958, 136.927504768524 35.1930447013923, 136.927441664698 35.1930690123468, 136.92689968371 35.1932777940498, 136.926874239706 35.1932875317729, 136.926842746919 35.1927251314545, 136.926822812376 35.1923692376225, 136.926796497651 35.1918993145307, 136.927750016994 35.19186537228, 136.927774089433 35.192326558146)) ^^http://www.opengis.net/ont/geosparql#wktLiteral