メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.218869947532 36.6824547491205, 137.219765734881 36.6823940096106, 137.220092538938 36.6823917490424, 137.220122038522 36.6831554897214, 137.219718297847 36.6831774993802, 137.219714817979 36.6833904058142, 137.219606185476 36.6833934106861, 137.219590291527 36.683984045164, 137.219583358702 36.68442731928, 137.219300913847 36.6844274460502, 137.218891690706 36.6844013680253, 137.218220399534 36.6843200639144, 137.217377726728 36.6842176396901, 137.217447698577 36.683875229863, 137.217469036747 36.6837071642415, 137.217488464517 36.6835909175182, 137.217496179829 36.6834684090235, 137.217511660717 36.6832925308449, 137.217360368977 36.683285484101, 137.217268291721 36.6824102487601, 137.217194384608 36.6816906021094, 137.217233809421 36.6816871353903, 137.217377890422 36.6816744692399, 137.217448377037 36.6816668363626, 137.21768422653 36.6816411764617, 137.217802030455 36.6816301415468, 137.218297389349 36.6815799377398, 137.218797927583 36.6815291654166, 137.218869947532 36.6824547491205)) ^^http://www.opengis.net/ont/geosparql#wktLiteral