メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.238959670048 34.7174499842063, 135.238987035272 34.7174565415846, 135.239729315882 34.7176966660658, 135.239557159558 34.7181779821848, 135.239157889059 34.7181065835026, 135.238690119731 34.7180109026863, 135.238123806858 34.7178889086682, 135.238041809172 34.7178782499248, 135.238095882616 34.7177372750456, 135.238126735915 34.7176567578355, 135.238329779851 34.7172540928545, 135.23831883872 34.7172519205443, 135.238326829659 34.7172338316721, 135.238959670048 34.7174499842063)) ^^http://www.opengis.net/ont/geosparql#wktLiteral