@proceedings{DBLP:conf/pods/99,
  title     = {Proceedings of the Eighteenth ACM
               SIGACT-SIGMOD-SIGART Symposium
               on Principles of Database Systems,
               May 31 - June 2, 1999, Philadelphia,
               Pennsylvania},
  publisher = {ACM Press},
  year      = {1999},
  isbn      = {1-58113-062-7},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}