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DASFAA
1993
IEEE
15 years 4 months ago
1993
IEEE
: Entities in engineering design databases need to evolve in both structure and behavior. Such a need is not well addressed by object-oriented data models based on the class concep...
ER
2006
Springer
15 years 3 months ago
2006
Springer
Abstract. One of the most severe problems related to database evolution is how to reflect in the data level the changes that have occurred in the conceptual schema of a database. T...
AHS
2007
IEEE
15 years 1 months ago
2007
IEEE
Fault Tolerance is an increasing challenge for integrated circuits due to semiconductor technology scaling. This paper looks at how artificial evolution may be tuned to the creat...
SWWS
2008
15 years 1 months ago
2008
We propose a set of metrics for measuring the semantic implications of changes during ontology evolution. Our metrics focus on the changes of classes and associated axioms or annot...
CCR
2008
14 years 12 months ago
2008
The hourglass concept has been undisputable ruler of networking visions on the last years. As network evolution is now a hot topic, this article aims to reflect on this concept, h...