Thomas Eiter, Thomas Lukasiewicz, Michael Walter. Extension of the Relational Algebra to Probabilistic Complex Values. In Klaus-Dieter Schewe, Bernhard Thalheim, editors, Foundations of Information and Knowledge Systems, First International Symposium, FoIKS 2000, Burg, Germany, February 14-17, 2000, Proceedings. Volume 1762 of Lecture Notes in Computer Science, pages 94-115, Springer, 2000. [doi]
Abstract is missing.