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» A Solution Framework on Fundamentals in Model Transformation
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ADBIS
2005
Springer
127views Database» more  ADBIS 2005»
15 years 5 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
158
Voted
ER
1995
Springer
152views Database» more  ER 1995»
15 years 3 months 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
136
Voted
JUCS
2010
135views more  JUCS 2010»
14 years 6 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»
14 years 11 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
14 years 10 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