メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.83833758719 34.6950516641464, 135.838351337083 34.6951836694006, 135.838037799373 34.695095217175, 135.837812428402 34.6950429405512, 135.836839514669 34.6948414854376, 135.835916964285 34.6946702340242, 135.835439891413 34.6945693011228, 135.835424994652 34.6941675445506, 135.83831260711 34.6942084348374, 135.838346138457 34.6942479202262, 135.83833758719 34.6950516641464)) ^^http://www.opengis.net/ont/geosparql#wktLiteral