メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.423854285034 43.0635987925625, 141.423594519334 43.0646876005261, 141.423395725147 43.064691371485, 141.422852069856 43.0647119221206, 141.422305181328 43.0647231636663, 141.421855290971 43.0647326425779, 141.421337306925 43.0647486597795, 141.420977018116 43.0647565306101, 141.420051284024 43.0647780277429, 141.420370478479 43.0645879174168, 141.420911774392 43.0642943409068, 141.42129564332 43.0640948494363, 141.421522179792 43.0639608911706, 141.422003060716 43.0636933154734, 141.422234510557 43.0635574917346, 141.422403248918 43.0634702355079, 141.42276202898 43.0632735108521, 141.422802530196 43.0632503127429, 141.42318124198 43.0630334052936, 141.42325350331 43.0627160338844, 141.424115110936 43.0625804620472, 141.423854285034 43.0635987925625)) ^^http://www.opengis.net/ont/geosparql#wktLiteral