メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.624436838019 35.0653569147372, 136.623379636515 35.0656427152115, 136.622848929287 35.0657762212788, 136.622153490792 35.0659538114371, 136.62157551345 35.0661100129148, 136.621457735779 35.0653789724838, 136.621613599458 35.0653188775362, 136.623685890725 35.064653152307, 136.624183168582 35.0646855239384, 136.625092693674 35.0647256981583, 136.625523252019 35.0647534079895, 136.62597770529 35.0647360626254, 136.62625005352 35.064679794776, 136.6264313216 35.0646092088634, 136.626558413054 35.064583550814, 136.626481557593 35.0648381819082, 136.624436838019 35.0653569147372)) ^^http://www.opengis.net/ont/geosparql#wktLiteral