@article{Fu91,
  title = {Knowledge base refinement by backpropagation},
  author = {LiMin Fu},
  year = {1991},
  tags = {rule-based, refinement},
  researchr = {https://researchr.org/publication/Fu91},
  cites = {0},
  citedby = {0},
  journal = {Data \& Knowledge Engineering},
  volume = {7},
  pages = {35-46},
}