 Then, we use the well-trained features to automatically learn the adaptive spherical decision boundaries for each known intent . Specifically, we propose a new loss function to balance both the empirical risk and the open space risk.
<coherence>  Then, we use the well-trained features to automatically learn the adaptive spherical decision boundaries for each known intent . Specifically, we propose a new loss function to balance both the empirical risk and the open space risk.
 Then, we automatically learn the adaptive spherical decision boundaries for each known intent . Specifically, we propose a new loss function to balance both the empirical risk and the open space risk.