Table 3. Running time of k-BC to running time of estimated distance limited algorithms ratio.

Dataset ek-BC ak-BC
k=3 k=4 k=3 k=4
Twitter 17.9 19.7 0.9 1.0
Amazon 31.8 49.4 2.0 2.2
US patent 438.9 379.5 24.2 24.4
Co-papers citeseer 42.5 23.6 2.9 3.6
Co-papers DBLP 49.1 30.6 3.7 4.9
World wide web 57.2 44.7 2.2 2.3