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FUIN
2008
71views more  FUIN 2008»
15 years 2 months ago
Nonterminal Complexity of Some Operations on Context-Free Languages
: We investigate context-free languages with respect to the measure Var of descriptional complexity, which gives the minimal number of nonterminals which is necessary to generate t...
Jürgen Dassow, Ralf Stiebe
FSTTCS
2010
Springer
15 years 13 days ago
Two Size Measures for Timed Languages
Quantitative properties of timed regular languages, such as information content (growth rate, entropy) are explored. The approach suggested by the same authors is extended to lang...
Eugene Asarin, Aldric Degorre
TCS
2011
14 years 9 months ago
Block insertion and deletion on trajectories
In this paper, we introduce block insertion and deletion on trajectories, which provide us with a new framework to study properties of language operations. With the parallel synta...
Bo Cui, Lila Kari, Shinnosuke Seki
FOSSACS
2007
Springer
15 years 8 months ago
Complexity Results on Balanced Context-Free Languages
Abstract. Some decision problems related to balanced context-free languages are important for their application to the static analysis of programs generating XML strings. One such ...
Akihiko Tozawa, Yasuhiko Minamide
PLANX
2007
15 years 3 months ago
Lux: A Lightweight, Statically Typed XML Update Language
Several proposals for updating XML have been introduced. Many of them have a rather complicated semantics due to the interaction of side-effects and updates, and some proposals a...
James Cheney