メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.284064786998 43.1089594241719, 141.284098806741 43.108987420394, 141.285508333849 43.1101773056707, 141.283617792736 43.1114008409982, 141.283530787166 43.1114581979694, 141.28174571818 43.1126358200588, 141.281685786525 43.1125830586207, 141.281180118916 43.1121373253808, 141.280803117883 43.111805136499, 141.280490253819 43.1115270089841, 141.280280563428 43.1113291558388, 141.279816829234 43.1108914390321, 141.279332996617 43.1104562940622, 141.279200397198 43.1103370880407, 141.281062648645 43.1091876607901, 141.282946041336 43.1080387321486, 141.284064786998 43.1089594241719)) ^^http://www.opengis.net/ont/geosparql#wktLiteral