From:  Hierarchy-aware strategy recommendation for emotional support dialogues via hyperbolic representation and conservative offline learning

 ESConv corpus and split statistics.

ItemValue
Dialogues (total/train/valid/test)1,300/910/195/195
Transitions (train/valid/test)12,759/2,722/2,895
Support strategies (leaf classes)8
Mean supporter turns per dialogue (test)14.8
State encoderall-MiniLM-L6-v2 (frozen, 384-dimensional)
Split protocolofficial seed-13 shuffle (70/15/15)