Edge Prediction in a Social Graph: My Solution to Facebook's User Recommendation Contest on KaggleA couple weeks ago, Facebook launched a link prediction contest on Kaggle, with the goal of recommending missing edges in a social graph. I love investigating social networks, so I dug around a little, and since I did well enough to score one of the coveted prizes, I’ll share my approach here. (For some background, the contest provided a training dataset of edges, a test set of nodes, and contesta
