@article{Sun2023GraphNN,
  title={Graph Neural Networks for Contextual ASR with the Tree-Constrained Pointer Generator},
  author={Guangzhi Sun and C. Zhang and Phil Woodland},
  journal={ArXiv},
  year={2023},
  volume={abs/2305.18824},
  url={https://api.semanticscholar.org/CorpusID:258968106}
}