class_docstr: SoftplusLoss.
      
class_docstr_tok: ["SoftplusLoss","."]
code: def __call__(self, score, label):
      return -softplus(label * score)
  
file_path: PGL/apps/Graph4KG/models/loss_func.py
imports: import paddle
  from paddle.nn import BCELoss, MarginRankingLoss
  from paddle.nn.functional import log_sigmoid, softmax, softplus
label_desc: Use image node_id 2 for calling the SoftplusLoss obj's underlying member method code with example usage: obj.__call__(score, label) and returns: unknown