メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.737007658837 35.3394799600133, 136.737010309767 35.3394904632411, 136.737210038432 35.3402837473799, 136.737232020836 35.3402709373354, 136.737331847505 35.3406711713447, 136.735680968929 35.3409776363436, 136.735669155475 35.3409035059163, 136.735825595089 35.3404255208238, 136.735911944874 35.3401520129374, 136.736075846799 35.339652010091, 136.736141254744 35.3390626371226, 136.736411067853 35.3388573186628, 136.736811058313 35.3387050691027, 136.737007658837 35.3394799600133)) ^^http://www.opengis.net/ont/geosparql#wktLiteral