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» The formal semantics of the timeER model
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OTM
2005
Springer
15 years 12 months ago
Spatio-temporal Schema Integration with Validation: A Practical Approach
We propose to enhance a schema integration process with a validation phase employing logic-based data models. In our methodology, we validate the source schemas against the data mo...
Anastasiya Sotnykova, Nadine Cullot, Christelle Va...
TOOLS
1999
IEEE
15 years 10 months ago
Defining UML Family Members Using Prefaces
The Unified Modeling Language is extensible, and so can be regarded as a family of languages. Implicitly or explicitly, any particular UML model should be accompanied by a definit...
Steve Cook, Anneke Kleppe, Jos Warmer, Richard Mit...
DEXA
2009
Springer
70views Database» more  DEXA 2009»
16 years 29 days ago
On the Termination Problem for Declarative XML Message Processing
Abstract. We define a formal syntax and semantics for the Rule Definition Language (RDL) of DemaqLite, which is a fragment of the declarative XML message processing system Demaq....
Tadeusz Litak, Sven Helmer
ACSAC
1999
IEEE
15 years 10 months ago
Security Policy Coordination for Heterogeneous Information Systems
Coordinating security policies in information enclaves is challenging due to their heterogeneity and autonomy. Administrators must reconcile the semantic diversity of data and sec...
John Hale, Pablo Galiasso, Mauricio Papa, Sujeet S...
KI
1997
Springer
15 years 10 months ago
Agents in Proactive Environments
Abstract. Agents situated in proactive environments are acting autonomously while the environment is evolving alongside, whether or not the agents carry out any particular actions....
Dov M. Gabbay, Rolf Nossum, Michael Thielscher