メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.882306767609 43.3338533165734, 141.880500537029 43.3338776872707, 141.880479261297 43.3338077127028, 141.880278557863 43.3331369084844, 141.880229890564 43.3329925079005, 141.88414449661 43.3328882989479, 141.884321850668 43.333660083913, 141.884357036685 43.3338131591953, 141.882306767609 43.3338533165734)) ^^http://www.opengis.net/ont/geosparql#wktLiteral