メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.319986199321 43.1096034278112, 141.320676205328 43.1102798846535, 141.320223573402 43.1105294587383, 141.319888744215 43.1107076218182, 141.319191719615 43.1110894601858, 141.318837790774 43.1107418381922, 141.318510118371 43.1104163689724, 141.318497257238 43.1104036058188, 141.318165449789 43.1100852043285, 141.318093330532 43.1100112659571, 141.31785164332 43.1097636436861, 141.318465112945 43.1094284632444, 141.318539642691 43.1093877166246, 141.318883539738 43.1092063969464, 141.319322680998 43.1089600241053, 141.319986199321 43.1096034278112)) ^^http://www.opengis.net/ont/geosparql#wktLiteral