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137
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ICLP
1997
Springer
15 years 9 months ago
The Complexity of Model Checking in Modal Event Calculi
Kowalski and Sergot’s Event Calculus (EC) is a simple temporal formalism that, given a set of event occurrences, derives the maximal validity intervals (MVIs) over which propert...
Iliano Cervesato, Massimo Franceschet, Angelo Mont...
132
Voted
ER
1994
Springer
121views Database» more  ER 1994»
15 years 9 months ago
An Executable Meta Model for Re-Engineering of Database Schemas
A logical database schema, e.g. a relational one, is an implementation of a speci cation, e.g. an entity-relationship diagram. Upcoming new data models and the necessity of seamle...
Manfred A. Jeusfeld, Uwe A. Johnen
CIA
2006
Springer
15 years 8 months ago
Market-Inspired Approach to Collaborative Learning
The paper describes a decentralized peer-to-peer multi-agent learning method based on inductive logic programming and knowledge trading. The method uses first-order logic for model...
Jan Tozicka, Michal Jakob, Michal Pechoucek
REX
1991
15 years 8 months ago
From Timed to Hybrid Systems
We propose a framework for the formal speci cation and veri cation of timed and hybrid systems. For timed systems we propose a speci cation language that refers to time only throug...
Oded Maler, Zohar Manna, Amir Pnueli
147
Voted
ICWS
2008
IEEE
15 years 6 months ago
Dynamic Exception Handling Based on Web Services and OPC XML-DA
Programmable Logic Controllers (PLC) are widely used in process automation due to their fast and guarantee response time. However their programming and interfacing capacities are ...
Francisco Javier Díez, Iñaki Maurtua