Stories are being assigned to unrelated networks.

I am uninterested in stories on the US election results. They are repetitive and annoying, except where they affect science, environment or health. Many articles are being placed into these networks when I cannot find one single sentence or word that should trigger such assignation. I left the "Apple" group because it appeared to be the most infested with stray articles. Unfortunately the problem appears to be wide spread which greatly reduces the value of coming to socialmedian. Of course, I could be using it wrong :)