メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.602599781582 43.2925331410959, 144.603157731849 43.2929259459816, 144.602669133172 43.2936468351489, 144.601978847731 43.2946653324791, 144.601333401924 43.2943856455842, 144.601373127082 43.2943222397654, 144.601263081789 43.2942997497615, 144.601002809305 43.2942463839207, 144.600666047146 43.2941368546265, 144.600550245105 43.294099854994, 144.600188814559 43.2938947692954, 144.600845612955 43.2928761274672, 144.601255681826 43.292275426651, 144.601569698838 43.2918154493646, 144.60213043295 43.2922058804389, 144.602599781582 43.2925331410959)) ^^http://www.opengis.net/ont/geosparql#wktLiteral