メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.495308837264 33.7302886774087, 135.495764419713 33.7301368311654, 135.496413069509 33.7298888431573, 135.495995159852 33.7302679428041, 135.494321882128 33.7317055715768, 135.493424661173 33.7324761844644, 135.492862615318 33.7323699161513, 135.491246700097 33.7320388469632, 135.491882447027 33.7312054732841, 135.493034417195 33.7316149385396, 135.493095650302 33.7316322352387, 135.493295088438 33.7313198750755, 135.495308837264 33.7302886774087)) ^^http://www.opengis.net/ont/geosparql#wktLiteral