@misc{W3003265726,
  author = {Shaoxiong Ji and Shirui Pan and Erik Cambria and Pekka Marttinen and Philip S. Yu},
  title = {A Survey on Knowledge Graphs: Representation, Acquisition, and Applications},
  year = {2021},
  howpublished = {IEEE Transactions on Neural Networks and Learning Systems},
  doi = {https://doi.org/10.1109/tnnls.2021.3070843}
}