メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((145.127173254411 43.6579960027443, 145.126132221783 43.657837825237, 145.124962602988 43.6576600918576, 145.123912407458 43.6575004720871, 145.12392741878 43.6574416239616, 145.123938540484 43.6574107897943, 145.123980026538 43.6572978327974, 145.124060465737 43.657031022504, 145.124196385412 43.6568551430307, 145.124475768365 43.6566695342037, 145.126815608524 43.6552543543898, 145.127636328847 43.6558213946855, 145.127612944409 43.6559319974482, 145.127187918678 43.6579340001075, 145.127180005479 43.6579710803666, 145.127173899597 43.657993315043, 145.127173254411 43.6579960027443)) ^^http://www.opengis.net/ont/geosparql#wktLiteral