@article{causalscoreanautomaticreferencefree,
  title = {CausalScore: An Automatic Reference-Free Metric for Assessing Response Relevance in Open-Domain Dialogue Systems},
  author = {Tao Feng and Lizhen Qu and Xiaoxi Kang and Gholamreza Haffari},
  year = {2024},
  eprint = {2406.17300},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2406.17300v1},
}