Federated database management system: requirements, issues and solutions
Computer Communications - Special issue on software aspects of future trends in distributed systems
Migrating legacy systems: gateways, interfaces & the incremental approach
Migrating legacy systems: gateways, interfaces & the incremental approach
Towards quality-oriented data warehouse usage and evolution
Information Systems - The 11th international conference on advanced information systems engineering (CAiSE*
Clio: a semi-automatic tool for schema mapping
SIGMOD '01 Proceedings of the 2001 ACM SIGMOD international conference on Management of data
Framework for object migration in federated database systems
PDIS '94 Proceedings of the third international conference on on Parallel and distributed information systems
IDEAS '00 Proceedings of the 2000 International Symposium on Database Engineering & Applications
Logical and Semantic Database Integration
BIBE '00 Proceedings of the 1st IEEE International Symposium on Bioinformatics and Biomedical Engineering
Data integration through database federation
IBM Systems Journal
Information integration: A new generation of information technology
IBM Systems Journal
Transparent access to multiple bioinformatics information sources
IBM Systems Journal - Deep computing for the life sciences
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In a large modern enterprise, it is almost inevitable that different parts of an organization use different systems to produce, store, and search their critical data. In addition, the maintenance of heterogeneous database systems is becoming an overhead and a big problem for companies. Meanwhile, it is only achieved by combining the information from these various systems so that the enterprise can use the combined value of the data they contain. One way to solve this problem is to replace the legacy applications with a single information system. Introducing the new software is not enough; it is also necessary to migrate the data from the old system to the new one. As data has been collected over many years and contains a lot of information and knowledge, this most important value of a company must be preserved. Here, we present a specific solution based on a metadata repository model that we applied which addresses an organization's operational need to integrate the custom databases of some specific hardware dependent legacy systems.