メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.744279738688 43.1185993908839, 141.744352517129 43.1191299281306, 141.744401674231 43.1194680807563, 141.744536599667 43.1204503449282, 141.744538368854 43.1204628010516, 141.743991157206 43.1204944845393, 141.741903784728 43.1206153876239, 141.741006504261 43.120678904231, 141.739697125321 43.1207638507447, 141.739577163703 43.1197402956998, 141.739493330298 43.1191066718653, 141.739363196994 43.1181233096487, 141.740707689196 43.1180113744644, 141.741581140434 43.1179515519531, 141.741617421639 43.1182894340178, 141.744207870245 43.1180751889396, 141.744279738688 43.1185993908839)) ^^http://www.opengis.net/ont/geosparql#wktLiteral