メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.010242321826 36.74541669821, 137.011133759825 36.7459770240632, 137.010882150967 36.7462700840543, 137.010779105927 36.7462108100468, 137.010664337185 36.7463479553517, 137.010741950153 36.746389736575, 137.010609545429 36.7465467829636, 137.010454923802 36.746451393624, 137.010204722723 36.7463037776495, 137.009695487362 36.7460086027271, 137.00928829564 36.745766785672, 137.009340227985 36.7457100362843, 137.009403811774 36.7457073026455, 137.009897056435 36.7452028470381, 137.010242321826 36.74541669821)) ^^http://www.opengis.net/ont/geosparql#wktLiteral