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CL
2000
Springer
15 years 11 months ago
A Semantic Approach for Schema Evolution and Versioning in Object-Oriented Databases
Abstract. In this paper a semantic approach for the specification and the management of databases with evolving schemata is introduced. It is shown how a general object-oriented m...
Enrico Franconi, Fabio Grandi, Federica Mandreoli
LICS
1999
IEEE
15 years 11 months ago
Plausibility Measures and Default Reasoning: An Overview
We introduce a new approach to modeling uncertainty based on plausibility measures. This approach is easily seen to generalize other approaches to modeling uncertainty, such as pr...
Joseph Y. Halpern, Nir Friedman
LICS
1989
IEEE
15 years 10 months ago
Computational Lambda-Calculus and Monads
The λ-calculus is considered an useful mathematical tool in the study of programming languages. However, if one uses βη-conversion to prove equivalence of programs, then a gros...
Eugenio Moggi
TPHOL
2000
IEEE
15 years 10 months ago
Verified Optimizations for the Intel IA-64 Architecture
This paper outlines a formal model of the Intel IA-64 architecture, and explains how this model can be used to verify the correctness of assembly-level code optimizations. The form...
Jim Grundy
DEON
2008
Springer
15 years 8 months ago
Changing Legal Systems: Abrogation and Annulment Part I: Revision of Defeasible Theories
Abstract. In this paper we investigate how to model legal abrogation and annulment in Defeasible Logic. We examine some options that embed in this setting, and similar rule-based s...
Guido Governatori, Antonino Rotolo