Incomplete Information in Object-Oriented Databases.

@article{DBLP:journals/sigmod/Zicari90,
  author    = {Roberto Zicari},
  title     = {Incomplete Information in Object-Oriented Databases},
  journal   = {SIGMOD Record},
  volume    = {19},
  number    = {3},
  year      = {1990},
  pages     = {5-16},
  ee        = {http://doi.acm.org/10.1145/101077.101079, db/journals/sigmod/Zicari90.html},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

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Referenced by

1. Simon Parsons: Current Approaches to Handling Imperfect Information in Data and Knowledge Bases. IEEE Trans. Knowl. Data Eng. 8(3): 353-372(1996)
2. Helmut Kaufmann, Moira C. Norrie: Relaxation of Correctness in Database Systems. ADBIS 1995: 90-105