メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.376862098637 43.094576614019, 141.377142858465 43.0945861367191, 141.377363409074 43.0945915429133, 141.378168981889 43.0946099808582, 141.378635002881 43.0946298405549, 141.378510174098 43.0952498007399, 141.378392920008 43.0958160184745, 141.377829642598 43.095744290231, 141.377676998158 43.0957211164916, 141.377301590398 43.0956723351086, 141.376633536668 43.095579056851, 141.376620027129 43.0955774776125, 141.375107565901 43.0954157951823, 141.375203677333 43.0950086383171, 141.375209458521 43.0949868109591, 141.375352102612 43.0944456862313, 141.376862098637 43.094576614019)) ^^http://www.opengis.net/ont/geosparql#wktLiteral