メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.835503397446 43.083065980434, 142.835559742232 43.0830784918249, 142.835891563947 43.0831212383918, 142.835976537458 43.0831321956202, 142.836058673701 43.0831526620336, 142.835745569688 43.0839513911601, 142.835521232425 43.0839966385237, 142.835452087844 43.0840105667079, 142.835100909045 43.0840567453636, 142.835012599894 43.0840683804946, 142.834768800593 43.0841002938478, 142.834457592076 43.0842127277808, 142.834273065083 43.0840198416788, 142.834703300927 43.0829083913939, 142.834710851351 43.0828902770748, 142.835415463713 43.0830464570657, 142.835503397446 43.083065980434)) ^^http://www.opengis.net/ont/geosparql#wktLiteral