http://popups.lib.uliege.be/1373-5411/index.php?id=1807 Index terms fr 0 http://popups.lib.uliege.be/1373-5411/index.php?id=1805 The definitions of two versions of uncertain logics and variables are given. The review of main concepts and results concerning the application of the uncertain variables to the analysis and decision making in a class of systems with unknown parameters in their mathematical models is presented. The special and related problems concerning the application to pattern recognition and operation systems, the learning processes and the distributed knowledge representation are described. Tue, 16 Jul 2024 15:59:05 +0200 Tue, 16 Jul 2024 15:59:20 +0200 http://popups.lib.uliege.be/1373-5411/index.php?id=1805