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IS
2008
15 years 6 months ago
On the expressibility of functions in XQuery fragments
XQuery is a powerful XML query language with many features and syntactic constructs. For many common queries we do not need all the expressive power of XQuery. We investigate the ...
Jan Hidders, Stefania Marrara, Jan Paredaens, Roel...
AI
2005
Springer
15 years 6 months ago
: Compiling problem specifications into SAT
We present a compiler that translates a problem specification into a propositional satisfiability test (SAT). Problems are specified in a logic-based language, called NP-SPEC, whi...
Marco Cadoli, Andrea Schaerf
AI
2005
Springer
15 years 6 months ago
First order LUB approximations: characterization and algorithms
One of the major approaches to approximation of logical theories is the upper and lower bounds approach introduced in (Selman and Kautz, 1991, 1996). In this paper, we address the...
Alvaro del Val
TRS
2008
15 years 6 months ago
Generalized Indiscernibility Relations: Applications for Missing Values and Analysis of Structural Objects
In this paper, we discuss an approach to structural objects based on a generalisation of indiscernibility relation used in rough set theory. The existing results in rough set theor...
Wojciech Jaworski
CLEIEJ
2004
106views more  CLEIEJ 2004»
15 years 6 months ago
A Calculus for Reconfigurable Component-Based Systems
ept of reconfigurable systems is almost always restricted to the abstract design level, in which configuration languages are used to manipulate software connections. In this paper...
Cidcley Teixeira de Souza, Paulo Roberto Freire Cu...