メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.351446084285 43.109760899358, 141.351227524233 43.1107117085579, 141.349777818819 43.110503180539, 141.349902441407 43.1100556041835, 141.349886702106 43.1100554810741, 141.350023189655 43.1095514537115, 141.350010623657 43.1095443932929, 141.350110739138 43.1091577400277, 141.350626003254 43.109228651612, 141.351034431546 43.1092802997294, 141.351540163484 43.1093533827174, 141.351446084285 43.109760899358)) ^^http://www.opengis.net/ont/geosparql#wktLiteral