メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.735372821756 35.2427023596701, 136.734392963555 35.2427967319503, 136.734230331498 35.2426844647255, 136.733753818671 35.2425406683926, 136.7334288553 35.2424702965359, 136.733120533361 35.2424507587118, 136.732440739209 35.2424225151407, 136.732088506947 35.2405582208646, 136.731973721643 35.2395385395603, 136.731753080645 35.2378302104848, 136.731800709983 35.2378158714757, 136.733761243695 35.2376471306557, 136.734522368375 35.2398640038101, 136.734677350108 35.2403095032003, 136.735372821756 35.2427023596701)) ^^http://www.opengis.net/ont/geosparql#wktLiteral