メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.87934383953 38.9602256276991, 139.881334655712 38.9604016316333, 139.881737697064 38.9604940858399, 139.882733221304 38.9609311463052, 139.882601525373 38.9620647016478, 139.881347441499 38.9619319561996, 139.88120611151 38.9621870484482, 139.881099034536 38.9623681020439, 139.880493351681 38.9623019323322, 139.88029391569 38.9622780649404, 139.880060186849 38.9623244362158, 139.879409225101 38.96226711125, 139.879093024364 38.9622589676412, 139.878345988631 38.9622677095375, 139.8784015497 38.9616738966718, 139.878472672503 38.9608072152232, 139.877613639662 38.9606591512976, 139.877195723411 38.9606074508296, 139.876228937636 38.9605159225243, 139.876327931939 38.9598779165178, 139.877448856942 38.9600022348759, 139.87934383953 38.9602256276991)) ^^http://www.opengis.net/ont/geosparql#wktLiteral