メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.354752912179 37.3739333418006, 140.354593354256 37.3740494985026, 140.354627403464 37.3739476933465, 140.354616346931 37.3738410176353, 140.354582349556 37.3737590828233, 140.354462761502 37.3735768564461, 140.354408210706 37.3735010658092, 140.354423391933 37.373464111407, 140.354306344408 37.3730750421879, 140.354630332848 37.3730119437249, 140.354964859698 37.3735799913695, 140.355369137785 37.3734497990148, 140.355372434563 37.3736201481307, 140.355064604575 37.37374977409, 140.35482859056 37.373868944948, 140.354752912179 37.3739333418006)) ^^http://www.opengis.net/ont/geosparql#wktLiteral