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IWPC
2005
IEEE
15 years 9 months ago
Adding Control-Flow to a Visual Data-Flow Representation
Previous studies have shown that novices do not tend to extract or use data-flow information during program comprehension. However, for impact analysis and similar tasks, data-ï¬...
David Dearman, Anthony Cox, Maryanne Fisher
LPNMR
2005
Springer
15 years 9 months ago
Answer Sets for Propositional Theories
Equilibrium logic, introduced by David Pearce, extends the concept of an answer set from logic programs to arbitrary sets of formulas. Logic programs correspond to the special case...
Paolo Ferraris
TGC
2005
Springer
15 years 9 months ago
A General Name Binding Mechanism
We study fusion and binding mechanisms in name passing process calculi. To this purpose, we introduce the U-Calculus, a process calculus with no I/O polarities and a unique form of...
Michele Boreale, Maria Grazia Buscemi, Ugo Montana...
VLDB
2005
ACM
165views Database» more  VLDB 2005»
15 years 9 months ago
Semantic Adaptation of Schema Mappings when Schemas Evolve
Schemas evolve over time to accommodate the changes in the information they represent. Such evolution causes invalidation of various artifacts depending on the schemas, such as sc...
Cong Yu, Lucian Popa
PPDP
2004
Springer
15 years 9 months ago
Model checking object petri nets in prolog
Object Petri nets (OPNs) provide a natural and modular method for modelling many real-world systems. We give a structure-preserving translation of OPNs to Prolog by encoding the O...
Berndt Farwer, Michael Leuschel