Tomasz Imielinski, Shamim A. Naqvi, Kumar V. Vadaparty. Incomplete Objects - A Data Model for Design and Planning Applications. In James Clifford, Roger King, editors, Proceedings of the 1991 ACM SIGMOD International Conference on Management of Data, Denver, Colorado, May 29-31, 1991. pages 288-297, ACM Press, 1991. [doi]
Abstract is missing.