メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.101449751678 42.4078010246737, 141.100950239642 42.4073744277298, 141.099759547697 42.4063744157755, 141.098638641503 42.4054371299096, 141.09891397566 42.405234366182, 141.099977053539 42.4041995342575, 141.10034352488 42.4044727340773, 141.100277898631 42.4045687198331, 141.100653834963 42.4049058796958, 141.100862650238 42.4051230590405, 141.101069953698 42.4054907439062, 141.101260797057 42.4058295655034, 141.101644530375 42.406535927542, 141.101787252597 42.4067971789658, 141.101811778297 42.4070447276591, 141.101802230512 42.4073027681149, 141.101696183055 42.4075490108948, 141.101449751678 42.4078010246737)) ^^http://www.opengis.net/ont/geosparql#wktLiteral