メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.345202466755 43.1098503043637, 141.345893639773 43.1099457327812, 141.345976893738 43.1099567313327, 141.346291267372 43.1099892517829, 141.346771758738 43.110062229022, 141.346456811269 43.1113605176157, 141.345976066188 43.1112967343692, 141.345588001927 43.1112487220707, 141.344893686437 43.1111509513943, 141.344911499409 43.1110758454734, 141.344506015933 43.1110244557848, 141.344521736524 43.1109349875182, 141.344202794031 43.1109061543285, 141.344144477695 43.111149647184, 141.343458615506 43.1111360420596, 141.343463572821 43.1109372039688, 141.343470477338 43.1106584151294, 141.343544045335 43.1102198690227, 141.343598672971 43.1098353952234, 141.344311779101 43.1098362749111, 141.345202466755 43.1098503043637)) ^^http://www.opengis.net/ont/geosparql#wktLiteral