メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.555952788899 34.0696701272666, 134.555743080225 34.0703466099249, 134.555418471825 34.0715376735227, 134.554594884726 34.0714927020295, 134.554592760618 34.0707621913043, 134.553897961105 34.070802669174, 134.553870818976 34.0700062348318, 134.553850431602 34.069570002973, 134.55419047714 34.0695268673828, 134.55474975765 34.0694723380601, 134.555952788899 34.0696701272666)) ^^http://www.opengis.net/ont/geosparql#wktLiteral