メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.276757929843 37.2978101304769, 140.276748587582 37.2978395920626, 140.2767638626 37.2982650280783, 140.275896873144 37.2982843188655, 140.275054861745 37.2983030885043, 140.275041691705 37.2979269242713, 140.275003633407 37.297054680039, 140.275336201847 37.2971011703962, 140.275515122198 37.2971005030934, 140.275502992449 37.296887379988, 140.275549033017 37.2968872082362, 140.27554481897 37.2967769785685, 140.275836977969 37.2967772958148, 140.276717673209 37.2967540110218, 140.276757929843 37.2978101304769)) ^^http://www.opengis.net/ont/geosparql#wktLiteral