メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.055026055909 34.5742634460984, 136.052896510686 34.5741085751511, 136.050636698381 34.5741095083897, 136.049637091915 34.5739900377361, 136.048695289577 34.5736430513707, 136.046630742308 34.5717936732189, 136.046550465285 34.5716831291689, 136.048424092799 34.5697974601151, 136.049743879916 34.5689303739524, 136.051511804817 34.5693178635053, 136.052210212409 34.5694167375753, 136.055549587689 34.5695922108494, 136.055383658541 34.5700606418333, 136.05513753975 34.5711225411463, 136.054940879205 34.5723273880842, 136.055026055909 34.5742634460984)) ^^http://www.opengis.net/ont/geosparql#wktLiteral