Goodness-of-fit techniques
In search of the best constraint satisfaction search
AAAI '94 Proceedings of the twelfth national conference on Artificial intelligence (vol. 1)
The hardest constraint problems: a double phase transition
Artificial Intelligence
Easy problems are sometimes hard
Artificial Intelligence
A Sufficient Condition for Backtrack-Free Search
Journal of the ACM (JACM)
Backtrack programming techniques
Communications of the ACM
A machine program for theorem-proving
Communications of the ACM
Validity of Normality Assumption in CSP Research
PRICAI '96 Proceedings of the 4th Pacific Rim International Conference on Artificial Intelligence: Topics in Artificial Intelligence
Heavy-Tailed Phenomena in Satisfiability and Constraint Satisfaction Problems
Journal of Automated Reasoning
Resolution versus Search: Two Strategies for SAT
Journal of Automated Reasoning
Local Search Algorithms for SAT: An Empirical Evaluation
Journal of Automated Reasoning
Phase Transitions in Relational Learning
Machine Learning
Eighteenth national conference on Artificial intelligence
On the Fine Structure of Large Search Spaces
ICTAI '99 Proceedings of the 11th IEEE International Conference on Tools with Artificial Intelligence
Search Strategies for Hybrid Search Spaces
ICTAI '99 Proceedings of the 11th IEEE International Conference on Tools with Artificial Intelligence
The Knowledge Engineering Review
Restart Strategy Selection Using Machine Learning Techniques
SAT '09 Proceedings of the 12th International Conference on Theory and Applications of Satisfiability Testing
Lattice-search runtime distributions may be heavy-tailed
ILP'02 Proceedings of the 12th international conference on Inductive logic programming
Evaluating las vegas algorithms: pitfalls and remedies
UAI'98 Proceedings of the Fourteenth conference on Uncertainty in artificial intelligence
Impact of censored sampling on the performance of restart strategies
CP'06 Proceedings of the 12th international conference on Principles and Practice of Constraint Programming
Statistical methodology for comparison of SAT solvers
SAT'10 Proceedings of the 13th international conference on Theory and Applications of Satisfiability Testing
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We present empirical evidence that the distribution of effort required to solve CSPs randomly generated at the 50% satisfiable point, when using a backtracking algorithm, can be approximated by two standard families of continuous probability distribution functions. Solvable problems can be modelled by the Weibull distribution, and unsolvable problems by the lognormal distribution. These distributions fit equally well over a variety of backtracking based algorithms.