メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.732088506947 35.2405582208646, 136.732440739209 35.2424225151407, 136.732477626939 35.2426851233588, 136.732422681411 35.2430089596083, 136.731842090939 35.2430658557346, 136.731308900206 35.2431197472547, 136.731221156839 35.2424870111672, 136.731189656267 35.2422772417194, 136.730953524123 35.2406747786752, 136.730550201125 35.2379454720635, 136.731753080645 35.2378302104848, 136.731973721643 35.2395385395603, 136.732088506947 35.2405582208646)) ^^http://www.opengis.net/ont/geosparql#wktLiteral