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» On Random Ordering Constraints
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APAL
2008
92views more  APAL 2008»
14 years 12 months ago
The complexity of random ordered structures
We show that for random bit strings, Up(n), with probability, p = 1 2 , the firstorder quantifier depth D(Up(n)) needed to distinguish non-isomorphic structures is (lg lg n), with...
Joel H. Spencer, Katherine St. John
CSCLP
2005
Springer
15 years 5 months ago
Complete Propagation Rules for Lexicographic Order Constraints over Arbitrary Domains
We give an efficiently executable specification of the global constraint of lexicographic order in the Constraint Handling Rules (CHR) language. In contrast to previous approaches...
Thom W. Frühwirth
CP
2003
Springer
15 years 5 months ago
Open Constraint Optimization
Constraint satisfaction has been applied with great success in closed-world scenarios, where all options and constraints are known from the beginning and fixed. With the internet,...
Boi Faltings, Santiago Macho-Gonzalez
AI
2008
Springer
14 years 12 months ago
Solving quantified constraint satisfaction problems
We make a number of contributions to the study of the Quantified Constraint Satisfaction Problem (QCSP). The QCSP is an extension of the constraint satisfaction problem that can b...
Ian P. Gent, Peter Nightingale, Andrew G. D. Rowle...
FUIN
2002
109views more  FUIN 2002»
14 years 11 months ago
Another Example of Higher Order Randomness
We consider the notion of algorithmic randomness relative to an oracle. We prove that the probability
Verónica Becher, Gregory J. Chaitin