"information"=>"office","source:date"=>"2014-06-05"
"map_size"=>"city","map_type"=>"street","information"=>"map"
"board_type"=>"history","information"=>"board"
"board_type"=>"nature","information"=>"board"
"map_size"=>"city","map_type"=>"street","information"=>"map"