メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.385494948699 43.0687576662477, 141.385248931621 43.0690082204598, 141.38515780314 43.0696296643138, 141.384308994607 43.0695584012349, 141.383588627198 43.0694872628904, 141.383499538872 43.0694784299943, 141.383569300815 43.0689723769001, 141.384271896888 43.0681511107808, 141.384370169588 43.0680523377916, 141.385676514607 43.0685609195357, 141.385494948699 43.0687576662477)) ^^http://www.opengis.net/ont/geosparql#wktLiteral