WolniewiczG93'

@article{DBLP:journals/debu/WolniewiczG93,
  author    = {Richard H. Wolniewicz and
               Goetz Graefe},
  title     = {Algebraic Optimization of Computations over Scientific Databases},
  journal   = {IEEE Data Eng. Bull.},
  volume    = {16},
  number    = {1},
  year      = {1993},
  pages     = {48-51},
  ee        = {http://sites.computer.org/debull/93MAR-CD.pdf},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}