メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.822601810332 35.5189855437016, 137.822714217291 35.5191182841065, 137.822556342488 35.5191995042693, 137.82204625853 35.5196250288825, 137.821563540851 35.5193520788242, 137.821428224238 35.5191836144808, 137.821035146983 35.5186942066469, 137.821369852259 35.5185158514475, 137.821530097067 35.5186849852238, 137.822069194476 35.5183375402366, 137.82226478963 35.5185588074558, 137.822225304999 35.5185835846551, 137.822428674776 35.5188025004977, 137.822490065072 35.5187742914946, 137.822658779786 35.5189608656449, 137.822601810332 35.5189855437016)) ^^http://www.opengis.net/ont/geosparql#wktLiteral