9e800ca1a4898f49a77fc0fcf7ec77e5-Paper-Conference.pdf

Here , denotes the Euclidean inner product,W is a window size,N( |v) a negative sampling distributionforvertexv andσ(y):=(1+e y) 1 thesigmoidfunction. Usually one takesℓP(y) = logσ(y)andℓN(y) = logσ( y).