Sciweavers

1814 search results - page 176 / 363
» Extended First-Order Logic
Sort
View
160
Voted
ESOP
2006
Springer
15 years 7 months ago
Step-Indexed Syntactic Logical Relations for Recursive and Quantified Types
We present a sound and complete proof technique, based on syntactic logical relations, for showing contextual equivalence of expressions in a -calculus with recursive types and imp...
Amal J. Ahmed
120
Voted
ILP
2000
Springer
15 years 7 months ago
Bayesian Logic Programs
First-order probabilistic models are recognized as efficient frameworks to represent several realworld problems: they combine the expressive power of first-order logic, which serv...
Kristian Kersting, Luc De Raedt
110
Voted
APAL
2008
87views more  APAL 2008»
15 years 3 months ago
Characterising nested database dependencies by fragments of propositional logic
We extend the earlier results on the equivalence between the Boolean and the multivalued dependencies in relational databases and fragments of the Boolean propositional logic. It ...
Sven Hartmann, Sebastian Link
115
Voted
CORR
2006
Springer
119views Education» more  CORR 2006»
15 years 3 months ago
Calculating modules in contextual logic program refinement
The refinement calculus for logic programs is a framework for deriving logic programs from specifications. It is based on a wide-spectrum language that can express both specificat...
Robert Colvin, Ian J. Hayes, Paul A. Strooper
JCP
2008
124views more  JCP 2008»
15 years 3 months ago
Novel Fuzzy Logic Controllers with Self-Tuning Capability
Two controllers which extend the PD+I fuzzy logic controller to deal with the plant having time varying nonlinear dynamics are proposed. The adaptation ability of the first self tu...
Fong Chwee Teng, Ahmad Lotfi, Ah Chung Tsoi