Table 2 Notations used in the second oder similarity algorithm
uv | the new directed edge that is being processed in the edge stream |
t(xy) | time of arrival of a multi-edge instance |
π i | a permutation of the entire vertex set, fixed in time |
N(u,t) | the pruned neighbors of u at time t |
hi(u)=hi(N(U,t)) | the i-th fingerprint of u at time t |