Artificial Intelligence
A theory of diagnosis from first principles
Artificial Intelligence
Artificial Intelligence
Information Processing Letters
A correction to the algorithm in Reiter's theory of diagnosis
Artificial Intelligence
A polynomial-time algorithm for model-based diagnosis
ECAI '92 Proceedings of the 10th European conference on Artificial intelligence
Diagnosing tree-structured systems
Artificial Intelligence
A variant of Reiter's hitting-set algorithm
Information Processing Letters
Conflict-directed A* and its role in model-based embedded systems
Discrete Applied Mathematics
Sorting networks and their applications
AFIPS '68 (Spring) Proceedings of the April 30--May 2, 1968, spring joint computer conference
Cardinality Networks and Their Applications
SAT '09 Proceedings of the 12th International Conference on Theory and Applications of Satisfiability Testing
QUICKXPLAIN: preferred explanations and relaxations for over-constrained problems
AAAI'04 Proceedings of the 19th national conference on Artifical intelligence
Diagnosis with behavioral modes
IJCAI'89 Proceedings of the 11th international joint conference on Artificial intelligence - Volume 2
Coupling CSP decomposition methods and diagnosis algorithms for tree-structured systems
IJCAI'03 Proceedings of the 18th international joint conference on Artificial intelligence
Diagnosing tree-decomposable circuits
IJCAI'95 Proceedings of the 14th international joint conference on Artificial intelligence - Volume 2
A benchmark diagnostic model generation system
IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans - Special issue on model-based diagnostics
Fast context switching in real-time propositional reasoning
AAAI'97/IAAI'97 Proceedings of the fourteenth national conference on artificial intelligence and ninth conference on Innovative applications of artificial intelligence
FastXplain: conflict detection for constraint-based recommendation problems
IEA/AIE'10 Proceedings of the 23rd international conference on Industrial engineering and other applications of applied intelligent systems - Volume Part I
Computing minimum-cardinality diagnoses by model relaxation
IJCAI'11 Proceedings of the Twenty-Second international joint conference on Artificial Intelligence - Volume Volume Two
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Diagnosis, i.e., the identification of root causes for failing or unexpected system behavior, is an important task in practice. Within the last three decades, many different AI-based solutions for solving the diagnosis problem have been presented and have been gaining in attraction. This leaves us with the question of which algorithm to prefer in a certain situation. In this paper we contribute to answering this question. In particular, we compare two classes of diagnosis algorithms. One class exploits conflicts in their search, i.e., sets of system components whose correct behavior contradicts given observations. The other class ignores conflicts and derives diagnoses from observations and the underlying model directly. In our study we use different reasoning engines ranging from an optimized Horn-clause theorem prover to general SAT and constraint solvers. Thus we also address the question whether publicly available general reasoning engines can be used for an efficient diagnosis.