メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.770811615503 35.6852990145669, 139.770814446448 35.6852926785007, 139.770924899607 35.6850687659601, 139.770965113065 35.6848361204493, 139.770912046039 35.6846333547333, 139.771279984113 35.6845637241271, 139.773013716681 35.6842761712248, 139.773103761237 35.6846205695249, 139.773095062478 35.6846394371631, 139.772969614962 35.6849507356133, 139.772930690427 35.6850418031558, 139.772590302215 35.6858525475873, 139.771185531401 35.6854277241732, 139.771241374441 35.6852291701983, 139.770811615503 35.6852990145669)) ^^http://www.opengis.net/ont/geosparql#wktLiteral