メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.355242304876 43.1017595308941, 141.355222752022 43.1018367389258, 141.355165482021 43.1020520560983, 141.355012660254 43.102626561577, 141.354445658274 43.1025587714268, 141.354417969465 43.1025554603673, 141.353984605423 43.1025048857453, 141.35352987537 43.1024518216136, 141.353234263545 43.1024191998889, 141.353327367593 43.102017934612, 141.353426268519 43.1016073616797, 141.353556900726 43.1010743152836, 141.354106870324 43.1011442296952, 141.354583382851 43.1012101927859, 141.355355502616 43.1013154525503, 141.355242304876 43.1017595308941)) ^^http://www.opengis.net/ont/geosparql#wktLiteral