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» A Solution Framework on Fundamentals in Model Transformation
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ADBIS
2005
Springer
127views Database» more  ADBIS 2005»
14 years 2 months ago
Three Layer Evolution Model for XML Stored in Relational Databases
XML-relational systems with well defined XML and relational schemas are widely used in industry. In the presence of rapidly changing requirements both schemas of such a model need...
Andrey Simanovsky
ER
1995
Springer
152views Database» more  ER 1995»
14 years 9 days ago
A Logic Framework for a Semantics of Object-Oriented Data Modeling
We describe a (meta) formalism for defining a variety of (object oriented) data models in a unified framework based on a variation of first-order logic. As specific example we use...
Olga De Troyer, Robert Meersman
JUCS
2010
135views more  JUCS 2010»
13 years 3 months ago
Model-driven Transformation and Validation of Adaptive Educational Hypermedia using CAVIAr
Abstract: Authoring of Adaptive Educational Hypermedia is a complex activity requiring the combination of a range of design and validation techniques. We demonstrate how Adaptive E...
Mark Melia, Claus Pahl
ENTCS
2008
97views more  ENTCS 2008»
13 years 8 months ago
An Algorithm for Approximating the Satisfiability Problem of High-level Conditions
The satisfiability problem is the fundamental problem in proving the conflict-freeness of specifications, or in finding a counterexample for an invalid statement. In this paper, w...
Karl-Heinz Pennemann
ICASSP
2010
IEEE
13 years 7 months ago
Identification of linear systems in canonical form through an EM framework
Least-squares estimation has always been the main approach when applying prediction error methods (PEM) in the identification of linear dynamical systems. Regardless of the estim...
Pavlos Papadopoulos, Vassilis Digalakis