メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.801134823518 35.2448602088554, 136.801726676942 35.2448538219277, 136.801731078808 35.2478065042926, 136.800528342619 35.2477929511217, 136.800074198586 35.2477836924757, 136.799821729226 35.2477801837327, 136.799836990163 35.2475122657009, 136.799835774715 35.2472991588143, 136.799838837366 35.2471078956623, 136.799834169816 35.2469175249832, 136.799839464197 35.2467262694697, 136.79983249028 35.246552230205, 136.799835570655 35.2463664603934, 136.799838725963 35.246164282089, 136.79984249345 35.2448508128722, 136.801134823518 35.2448602088554)) ^^http://www.opengis.net/ont/geosparql#wktLiteral