@article{KharlamovN08,
  author    = {Evgeny Kharlamov and
               Werner Nutt},
  title     = {Incompleteness in information integration},
  journal   = {PVLDB},
  volume    = {1},
  number    = {2},
  year      = {2008},
  pages     = {1652-1658},
  ee        = {http://www.vldb.org/pvldb/1/1454242.pdf},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}