メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.36725366683 43.1059471082412, 141.367248680519 43.1059734420163, 141.367238709917 43.1060259682549, 141.367129501283 43.1063778096041, 141.367017322651 43.1068158468153, 141.367038210544 43.1068184696936, 141.366943815427 43.1070946138526, 141.366324570682 43.1070176161553, 141.366240452553 43.107006700254, 141.364816293914 43.1068222169764, 141.365075757034 43.1056972538351, 141.36518653789 43.1052904315855, 141.366555645925 43.105476033822, 141.36680950405 43.1055104810388, 141.366774765214 43.1056966459645, 141.367300664069 43.1057761568097, 141.36725366683 43.1059471082412)) ^^http://www.opengis.net/ont/geosparql#wktLiteral