@article{ma2020combinatorial,
  title = {Combinatorial Optimization by Graph Pointer Networks and Hierarchical Reinforcement Learning},
  author = {Ma, Qiang and Ge, Suwen and He, Danyang and Thaker, Darshan and Drori, Iddo},
  journal = {AAAI Workshop on Deep Learning on Graphs: Methodologies and Applications},
  year = {2020}
}