メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.122907540711 35.342872225844, 137.121199099972 35.3436735364751, 137.121042124948 35.34270424271, 137.120950325467 35.3426576567057, 137.120822696623 35.342576831574, 137.1211167454 35.3425549749958, 137.12205669869 35.3424850572954, 137.122112258116 35.3423109233133, 137.123338552808 35.3421814026501, 137.12339857738 35.3426567818924, 137.122985307759 35.3428387352739, 137.122907540711 35.342872225844)) ^^http://www.opengis.net/ont/geosparql#wktLiteral