メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.922698254955 35.1288864374538, 136.922667310418 35.1292740663114, 136.92195726453 35.129231204207, 136.92195523902 35.1292491586615, 136.921718416013 35.1292312082331, 136.921730504421 35.1291235526293, 136.921331068216 35.1290899148535, 136.921358297642 35.1288141852609, 136.921377131781 35.1285512551702, 136.921381090359 35.1284961200749, 136.921474781521 35.1285046226033, 136.921514023071 35.1283895578112, 136.922028835233 35.1284244160917, 136.922050359848 35.1282784682706, 136.922765982935 35.1283233838319, 136.922759290088 35.1283615400982, 136.92273689952 35.1285540378478, 136.922698254955 35.1288864374538)) ^^http://www.opengis.net/ont/geosparql#wktLiteral