メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.236292736757 34.7131517509817, 135.236170044181 34.7134140884326, 135.236105993079 34.7135475308542, 135.23598585691 34.7137940733596, 135.235788830867 34.7142485246632, 135.235110991507 34.713749711703, 135.234817968444 34.7135638412256, 135.235031323461 34.7131047631046, 135.235159110224 34.7128085838366, 135.235257440088 34.7125644574349, 135.23544406382 34.7126599822744, 135.235998651057 34.7129623700566, 135.23629000775 34.7131517712331, 135.236292736757 34.7131517509817)) ^^http://www.opengis.net/ont/geosparql#wktLiteral