メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.345074886041 43.1171628587279, 141.344995953924 43.117508440675, 141.34326550989 43.1172822835141, 141.343396098972 43.1166577820899, 141.343475956014 43.1162760605581, 141.345228699137 43.1164988799317, 141.345147610528 43.1168410681948, 141.345074886041 43.1171628587279)) ^^http://www.opengis.net/ont/geosparql#wktLiteral