メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.30046991627 38.416250270561, 141.301420308449 38.4161699021866, 141.302056859052 38.4160961296141, 141.302166443205 38.4166946707978, 141.302206126463 38.4169162260823, 141.302297978509 38.4175873340983, 141.302300138872 38.4176029512194, 141.302388007299 38.4183286948778, 141.30250972907 38.4191418617582, 141.30181318316 38.4192048961416, 141.301393517975 38.4192644278694, 141.300536312778 38.4194007334087, 141.300387497997 38.4194100544, 141.299951022564 38.419423334635, 141.299973453838 38.4192391174578, 141.300009141061 38.4189881227133, 141.300025111313 38.4188358863759, 141.300034740997 38.4187477252116, 141.3000474362 38.4186008507313, 141.300018768513 38.4183661594477, 141.299942232791 38.4178125322925, 141.299846159723 38.4171215896962, 141.299826068797 38.4168986889128, 141.299783412206 38.4166105602817, 141.299730721287 38.4163197966526, 141.30046991627 38.416250270561)) ^^http://www.opengis.net/ont/geosparql#wktLiteral