メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.917390655133 35.19251554502, 136.917933353236 35.1925139279331, 136.917929556485 35.1926763180645, 136.917918137128 35.1931379959422, 136.917432616611 35.1931595919037, 136.917014447863 35.1931781579222, 136.916932602061 35.1931722117049, 136.916908737367 35.1927066574451, 136.916876887141 35.1922923553458, 136.917300178377 35.1922453500003, 136.917379605221 35.1922495296295, 136.917390655133 35.19251554502)) ^^http://www.opengis.net/ont/geosparql#wktLiteral