メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.678768647347 34.834572684978, 134.678956926322 34.8349800688273, 134.678986685391 34.8350444264056, 134.678658967095 34.8351369866919, 134.677727581579 34.8354282518568, 134.677509754009 34.8349725159884, 134.677427662543 34.8348009147999, 134.677281447781 34.8344950754178, 134.67852385748 34.8340704546411, 134.678613812223 34.8342550157249, 134.678768647347 34.834572684978)) ^^http://www.opengis.net/ont/geosparql#wktLiteral