メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.721347116549 34.5656583085591, 135.721929708856 34.5657749988084, 135.722455115336 34.5669094378697, 135.723478736535 34.5669111617869, 135.723391197428 34.5682004629561, 135.719947140006 34.5675715884344, 135.72015630259 34.5666027185872, 135.720290897944 34.5659792450707, 135.720401085695 34.5654688173538, 135.720477506648 34.5654841252319, 135.721138548645 34.5656165328801, 135.721347116549 34.5656583085591)) ^^http://www.opengis.net/ont/geosparql#wktLiteral