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HYBRID
1998
Springer
14 years 22 days ago
Equations on Timed Languages
We continue investigation of languages, accepted by timed automata of Alur and Dill. In [ACM97] timed regular expressions equivalent to timed automata were introduced. Here we intr...
Eugene Asarin
ECHT
1992
14 years 18 days ago
Gram: A Graph Data Model and Query Language
We present a model for data organized as graphs. Regular expressions over the types of the node and edge labels are used to qualify connected subgraphs. An algebraic language base...
Bernd Amann, Michel Scholl
ICTAC
2007
Springer
14 years 2 months ago
On the Expressive Power of QLTL
LTL cannot express the whole class of ω-regular languages and several extensions have been proposed. Among them, Quantified propositional Linear Temporal Logic (QLTL), proposed b...
Zhilin Wu
FSTTCS
2010
Springer
13 years 6 months ago
Beyond Hyper-Minimisation---Minimising DBAs and DPAs is NP-Complete
In this paper we study the problem of minimising deterministic automata over finite and infinite words. Deterministic finite automata are the simplest devices to recognise regular...
Sven Schewe
DLT
2009
13 years 6 months ago
Factorization Forests
A survey of applications of factorization forests. Fix a regular language L A . You are given a word a1
Mikolaj Bojanczyk