I mentioned this related work on these papers finally we look at the area of cool training or a self-training or pseudo Laban all these are ideas that have already been mentioned in this list of bullet points but there is a particular paper on his student which has taken these ideas to a whole new level in terms of performance and so we look at that in a little more detail so entropy minimization it's a very simple idea you have a lot of unlabeled data and you have your label here your training and classifier on the label