LevyR98'

@article{DBLP:journals/ai/LevyR98,
  author    = {Alon Y. Levy and
               Marie-Christine Rousset},
  title     = {Verification of Knowledge Bases Based on Containment Checking},
  journal   = {Artif. Intell.},
  volume    = {101},
  number    = {1-2},
  year      = {1998},
  pages     = {227-250},
  ee        = {http://dx.doi.org/10.1016/S0004-3702(98)00021-6},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}