メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.28042130809 38.3655355648644, 140.281875044294 38.365593913869, 140.282545162313 38.3656208446268, 140.282529295486 38.3664299237654, 140.281849788091 38.366414068618, 140.281320314127 38.3664017303827, 140.280383008266 38.3663815596079, 140.28006264733 38.3663747027654, 140.279503179368 38.3663567249265, 140.279524062769 38.3655333139407, 140.279538839761 38.3655064960616, 140.279621576713 38.3655068856716, 140.28042130809 38.3655355648644)) ^^http://www.opengis.net/ont/geosparql#wktLiteral