WILP outperforms ILP in terms of the number of the predicted DDIs confirmed by the golden data set. (A) Sensitivities of WILP and ILP are compared as sd varies from 0.05 to 1. In WILP, K is set to 50. (B) Performances of WILP are shown in different K settings. There is a broad interval in which WILP outperforms ILP robustly.