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» Deterministic Expressions in C
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79
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ICTAC
2009
Springer
15 years 4 months ago
Regular Expressions with Numerical Constraints and Automata with Counters
Abstract. Regular expressions with numerical constraints are an extension of regular expressions, allowing to bound numerically the number of times that a subexpression should be m...
Dag Hovland
WWW
2008
ACM
15 years 10 months ago
Learning deterministic regular expressions for the inference of schemas from XML data
Inferring an appropriate DTD or XML Schema Definition (XSD) for a given collection of XML documents essentially reduces to learning deterministic regular expressions from sets of ...
Geert Jan Bex, Wouter Gelade, Frank Neven, Stijn V...
DEDUCTIVE
1994
133views Database» more  DEDUCTIVE 1994»
14 years 10 months ago
Expressive Power of Non-Deterministic Operators for Logic-based Languages
Non-deterministic operators are needed in First-Order relational languages and Datalog to extend the expressive power of such languages and support efficient formulations of lowco...
Luca Corciulo, Fosca Giannotti, Dino Pedreschi, Ca...
74
Voted
LICS
1999
IEEE
15 years 1 months ago
Counting and Addition Cannot Express Deterministic Transitive Closure
An important open question in complexity theory is whether the circuit complexity class TC0 is (strictly) weaker than LOGSPACE. This paper considers this question from the viewpoi...
Matthias Ruhl