Jan Chomicki, Tomasz Imielinski. Relational Specifications of Infinite Query Answers. In James Clifford, Bruce G. Lindsay, David Maier, editors, Proceedings of the 1989 ACM SIGMOD International Conference on Management of Data, Portland, Oregon, May 31 - June 2, 1989. pages 174-183, ACM Press, 1989. [doi]
Abstract is missing.