メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.81694005695 38.0832350467922, 140.816833499177 38.0836158519685, 140.816118805494 38.085812963071, 140.815972909083 38.0857222788612, 140.815674171559 38.0855219030109, 140.815298285834 38.0852121272154, 140.814969824574 38.0849023571797, 140.814700758971 38.0845927364934, 140.814093480875 38.0838183386486, 140.813419321266 38.0829762102233, 140.813551231727 38.0828973922637, 140.813624324849 38.0828147645824, 140.815317180987 38.0830292861868, 140.816048538704 38.0831220225683, 140.816431203369 38.083170502831, 140.81694005695 38.0832350467922)) ^^http://www.opengis.net/ont/geosparql#wktLiteral