メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.043547341664 39.3511652417187, 141.04343427644 39.3509755748103, 141.043602669014 39.3508633031672, 141.043729587931 39.350787138475, 141.04386638664 39.3507413577461, 141.044218189495 39.3506495835485, 141.044589511122 39.3505387713448, 141.044907127243 39.350458458761, 141.045542324645 39.3502788287885, 141.045761184441 39.3506866032337, 141.045815599005 39.350887775502, 141.045507258196 39.3508086051651, 141.04515030912 39.3508167867113, 141.044553731167 39.350829274102, 141.044397306659 39.3508523605237, 141.044099358334 39.3509706390605, 141.043547341664 39.3511652417187)) ^^http://www.opengis.net/ont/geosparql#wktLiteral