SoftplusLoss

class SoftplusLoss(reduction='mean')

Bases: pykeen.losses.SoftPointwiseHingeLoss

A module for the pointwise logistic loss (i.e., softplus loss).

\[g(s, l) = \log(1 + \exp(-\hat{l} \cdot s))\]

with scores \(s\) and labels \(l\) that have been rescaled to \(\hat{l} \in \{-1, 1\}\).

See also

This class is a special case of pykeen.losses.SoftPointwiseHingeLoss where the margin is set to margin=0.

Initializes internal Module state, shared by both nn.Module and ScriptModule.