document.write("« Achieving the time of $1$-NN, but the accuracy of $k$-NN. (arXiv:1712.02369v2 [math.ST] UPDATED)");document.write(" | ");document.write("Adjacency Matrix and Co-occurrence Tensor of General Hypergraphs: Two Well Separated Notions. (arXiv:1712.08189v1 [cs.DM]) »");