メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.36861563434 40.7990212852218, 141.365666388383 40.7988065427776, 141.36174850763 40.7985523260947, 141.36266098295 40.796866406522, 141.365771769644 40.7971796904782, 141.368809480751 40.7974562904174, 141.36861563434 40.7990212852218)) ^^http://www.opengis.net/ont/geosparql#wktLiteral