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» Stateful traits and their formalization
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ICSE
1993
IEEE-ACM
15 years 10 months ago
"...And Nothing Else Changes": The Frame Problem in Procedure Specifications
We give examples of situations where formal specifications of procedures in the standard pre/postcondition style become lengthy, cumbersome and difficult to change, a problem whic...
Alexander Borgida, John Mylopoulos, Raymond Reiter
CONCUR
1992
Springer
15 years 10 months ago
The Duality of TIme and Information
The states of a computing system bear information and change time, while its events bear time and change information. We develop a primitive algebraic model of this duality of tim...
Vaughan R. Pratt
VLDB
1994
ACM
128views Database» more  VLDB 1994»
15 years 10 months ago
An Algebraic Approach to Rule Analysis in Expert Database Systems
Expert database systems extend the functionality of conventional database systems by providing a facility for creating and automatically executing Condition-Action rules. While Con...
Elena Baralis, Jennifer Widom
TARK
1992
Springer
15 years 10 months ago
Topological Reasoning and The Logic of Knowledge
We present a bimodal logic suitable for formalizing reasoning about points and sets, and also states of the world and views about them. The most natural interpretation of the logi...
Lawrence S. Moss, Rohit Parikh
KR
1989
Springer
15 years 10 months ago
Impediments to Universal Preference-Based Default Theories
Research on nonmonotonic and default reasoning has identified several important criteria for preferring alternative default inferences. The theories of reasoning based on each of...
Jon Doyle, Michael P. Wellman