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DLT
2007
13 years 11 months ago
State Complexity of Union and Intersection of Finite Languages
Abstract. We investigate the state complexity of union and intersection for finite languages. Note that the problem of obtaining the tight bounds for both operations was open. We ...
Yo-Sub Han, Kai Salomaa
MEMOCODE
2003
IEEE
14 years 3 months ago
Executable Computational Logics: Combining Formal Methods and Programming Language Based System Design
An executable computational logic can provide the desired bridge between formal system properties and formal methods to verify them on the one hand, and executable models of syste...
José Meseguer
VLDB
1997
ACM
93views Database» more  VLDB 1997»
14 years 2 months ago
A Language for Manipulating Arrays
This paper describes the Array Manipulation Language (AML), an algebra for multidimensional array data. AML is generic, in the sense that it can be customized to support a wide va...
Arunprasad P. Marathe, Kenneth Salem
DLT
2007
13 years 11 months ago
From Determinism to Non-determinism in Recognizable Two-Dimensional Languages
Tiling systems that recognize two-dimensional languages are intrinsically non-deterministic models. We introduce the notion of deterministic tiling system that generalizes determin...
Marcella Anselmo, Dora Giammarresi, Maria Madonia
FCT
2007
Springer
14 years 4 months ago
On Notions of Regularity for Data Languages
Abstract. Motivated by considerations in XML theory and model checking, data strings have been introduced as an extension of finite alphabet strings which carry, at each position,...
Henrik Björklund, Thomas Schwentick