メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.63391792297 35.3546109880444, 136.633891278826 35.3551014350191, 136.633324168391 35.3551215389673, 136.632641371583 35.3551070440675, 136.632640303802 35.354583236584, 136.632704371086 35.3532592920618, 136.632847054309 35.3532271759184, 136.633058851917 35.3531483927357, 136.633495801473 35.3528486333623, 136.633629993356 35.35272852205, 136.633878861209 35.3525018736991, 136.633899009696 35.3524768927082, 136.634017484044 35.352773891555, 136.63391792297 35.3546109880444)) ^^http://www.opengis.net/ont/geosparql#wktLiteral