@inproceedings{DBLP:conf/icde/GrantGMR97,
  author    = {John Grant and
               Jarek Gryz and
               Jack Minker and
               Louiqa Raschid},
  title     = {Semantic Query Optimization for Object Databases},
  booktitle = {ICDE},
  year      = {1997},
  pages     = {444-453},
  ee        = {http://doi.ieeecomputersociety.org/10.1109/ICDE.1997.581983},
  crossref  = {DBLP:conf/icde/97},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/icde/97,
  editor    = {W. A. Gray and
               Per-{\AA}ke Larson},
  title     = {Proceedings of the Thirteenth International Conference on
               Data Engineering, April 7-11, 1997 Birmingham U.K},
  publisher = {IEEE Computer Society},
  year      = {1997},
  isbn      = {0-8186-7807-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}