メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.331566671092 37.3951535087898, 140.330847103726 37.3945692745238, 140.330329948687 37.3949862285593, 140.329899895623 37.395305949863, 140.329024348225 37.3945819839119, 140.329524320736 37.3941876331771, 140.330001037052 37.3938395607202, 140.33049527487 37.3934802898786, 140.331348216905 37.3942153219464, 140.331480622635 37.3941174745285, 140.331820855019 37.3944388883418, 140.331566671092 37.3951535087898)) ^^http://www.opengis.net/ont/geosparql#wktLiteral