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Original Article

A system to support high-level data description and manipulation of an operational data-base system

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Pages 15-26 | Published online: 12 Jul 2009
 

Abstract

In the Medical System Hanover (MSH), which is an operational hospital information and control system, the information processes are supported by a number of coordinated conversational and batch-application programs.

The increased complexity of the system, especially in regard to information relationships and number of applications, as well as the growing sophistication of users' needs has led to the development of an integrated data description and data manipulation system. The main design criterion was to further centralize functions and combine information and yet to use an increasing number of separate data bases. Further objectives and the developmental guidelines are outlined. The basic data- and program-description system is described, as well as successfully implemented pilot versions of a data manipulation system and of techniques for data-base measurement.

Further work is planned, on the integration of data bases, system supported data manipulation, relational structures and user facilities.

Le système informatique de I'hôpital de Hanovre comporte plusieurs applications coordonnées qui fonctionnent en conversationnel et en temps différé. La complexité du système n'a fait que croiˇtre avec les échanges d'informations entre utilisateurs, le nombre plus important d'applications, et une information de plus en plus riche et compliquée. Cette évolution a conduit au développement d'un système intégré de description et de gestion des données. L'objectif principal a été d'intégrer des informations provenant de bases de données physiquement indépendantes. Un système de description des données et des programmes disponsibles est présenté. Des outils permettant d'évaluer les performances des programmes et du stockage de l'information ont été mis en place, ainsi que la version pilote d'un système de gestion de données.

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