メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.359214350826 43.1137374731422, 141.360355648265 43.1139099185382, 141.360300815095 43.1141291863092, 141.360184094197 43.1145707597017, 141.358547447009 43.1143259014789, 141.358639435429 43.1139021368722, 141.358676576972 43.1137510869098, 141.358785881784 43.1133377944057, 141.358882812918 43.1129307377827, 141.359344014114 43.1130006402531, 141.359399856743 43.1130090911427, 141.359214350826 43.1137374731422)) ^^http://www.opengis.net/ont/geosparql#wktLiteral