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» A framework for user-interfaces to databases
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RIDE
1993
IEEE
15 years 10 months ago
Integration of Relational Databases in a Multidatabase System based on Schema Enrichment
In this paper, we describe a framework for an object-oriented modeling of meta information and its use for the integration of heterogeneous databases with the goal of their intero...
Daniel A. Keim, Hans-Peter Kriegel, Andreas Mieths...
IKE
2007
15 years 8 months ago
A Set-Theoretic Data Model For Evolving Database Environments
The paper presents an integrated set-theoretic data model that offers a framework for defining a unified schema for any database environment. We utilise the concepts ”entity...
Emmanuel J. Yannakoudakis, Panagiotis Andrikopoulo...
SIGMOD
2010
ACM
249views Database» more  SIGMOD 2010»
15 years 6 months ago
Worry-free database upgrades: automated model-driven evolution of schemas and complex mappings
Schema evolution is an unavoidable consequence of the application development lifecycle. The two primary schemas in an application, the client conceptual object model and the pers...
James F. Terwilliger, Philip A. Bernstein, Adi Unn...
JCIT
2008
129views more  JCIT 2008»
15 years 6 months ago
A New Rule Scheduling Approach based on Estimation of Rule Execution Probability in Active Database
Active database systems (ADBS) can, automatically, react to the occurrence of predefined events by definition a collection of active rules. One of the most important modules of AD...
Abbas Rasoolzadegan, Rohollah Alesheykh, Ahmad Abd...
IDEAS
2010
IEEE
238views Database» more  IDEAS 2010»
15 years 5 months ago
An integrative approach to query optimization in native XML database management systems
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
Andreas M. Weiner, Theo Härder