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Informatik 5
Information Systems
Prof. Dr. M. Jarke
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Prof. Dr. M. Jarke
RWTH Aachen
Informatik 5
Ahornstr. 55
D-52056 Aachen
Tel +49/241/8021501
Fax +49/241/8022321

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Database Change Propagation for a Medical Application Scenario

Year 1997

In database centered information systems client applications usually hold (derived) subsets of the database contents under their control. The incremental maintenance of such externally materialized views is an important open problem. In addition to some necessary changes in the known view maintenance procedures a mechanism for propagating updates through an API and a way for clients to accept such updates have to be defined. This paper summarizes the properties of an incremental view maintenance procedure which is able to handle externally materialized views and is implemented in the deductive and object-oriented database system ConceptBase. As an application we consider a medical database scenario.


Proc. of the 5th European Congress on Intelligent Techniques and SoftComputing (EUFIT'97), Volume 2, Aachen, Germany, September 1997, pp. 1167-1170

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