2409 search results - page 80 / 482 » On Extended Regular Expressions |
PODS
2003
ACM
15 years 10 months ago
2003
ACM
In this paper we consider general path constraints for semistructured databases. Our general constraints do not suffer from the limitations of the path constraints previously stud...
LATA
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. We consider policies that are described by regular expressions, finite automata, or formulae of linear temporal logic (LTL). Such policies are assumed to describe situat...
LICS
2010
IEEE
14 years 8 months ago
2010
IEEE
We consider formulas which, in addition to the symbols in the vocabulary, may use two designated symbols ≺ and + that must be interpreted as a linear order and its associated ad...
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
DescribeX is a visual, interactive tool for exploring the underlying structure of an XML collection. DescribeX implements a framework for creating XML summaries described using axi...
SAS
2001
Springer
15 years 2 months ago
2001
Springer
This paper describes the precise speci cation, design, analysis, implementation, and measurements of an e cient algorithm for solving regular tree grammar based constraints. The p...