@article{DBLP:journals/jlp/Ben-Eliyahu-ZoharyPZ00,
  author    = {Rachel Ben-Eliyahu-Zohary and
               Luigi Palopoli and
               Victoria Zemlyanker},
  title     = {More on tractable disjunctive Datalog},
  journal   = {J. Log. Program.},
  volume    = {46},
  number    = {1-2},
  year      = {2000},
  pages     = {61-101},
  ee        = {http://dx.doi.org/10.1016/S0743-1066(99)00066-7},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}