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» Reasoning on temporal class diagrams: Undecidability results
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SEBD
2001
145views Database» more  SEBD 2001»
15 years 3 months ago
Reasoning over Conceptual Schemas and Queries in Temporal Databases
This paper introduces a new logical formalism, intended for temporal conceptual modelling, as a natural combination of the well-known description logic DLR and point-based linear ...
Alessandro Artale, Enrico Franconi, Milenko Mosuro...
ER
2010
Springer
132views Database» more  ER 2010»
14 years 12 months ago
Full Satisfiability of UML Class Diagrams
UML class diagrams (UCDs) are the de-facto standard formalism for the analysis and design of information systems. By adopting formal language techniques to capture constraints expr...
Alessandro Artale, Diego Calvanese, Yazmin Ang&eac...
JMLR
2008
120views more  JMLR 2008»
15 years 1 months ago
Causal Reasoning with Ancestral Graphs
Causal reasoning is primarily concerned with what would happen to a system under external interventions. In particular, we are often interested in predicting the probability distr...
Jiji Zhang
109
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LICS
2007
IEEE
15 years 8 months ago
The Cost of Punctuality
In an influential paper titled “The Benefits of Relaxing Punctuality” [2], Alur, Feder, and Henzinger introduced Metric Interval Temporal Logic (MITL) as a fragment of the r...
Patricia Bouyer, Nicolas Markey, Joël Ouaknin...
AIPS
2009
15 years 3 months ago
An Optimal Temporally Expressive Planner: Initial Results and Application to P2P Network Optimization
Temporally expressive planning, an important class of temporal planning, has attracted much attention lately. Temporally expressive planning is difficult; few existing planners ca...
Ruoyun Huang, Yixin Chen, Weixiong Zhang