Propagation of structural modifications to an integrated schema
This paper addresses the problem of propagating local structural schema changes to an already acquired integrated schema of a federation. Our approach is to regard this problem from a schema integration point of view. The main contribution is the development of a framework for performing evolution of an integrated schema without information loss and avoiding as much as possible re-integration steps.
KeywordsFederated Databases Schema Evolution Schema Integration
Unable to display preview. Download preview PDF.
- 1.J. L. Ambite and C. A. Knoblock. Reconciling Distributed Information Sources. In Working Notes of the AAAI Spring Symposium on Information Gathering in Distributed Heterogeneous Environments, Palo Alto, CA, 1995.Google Scholar
- 2.Zohra Bellahsene. Extending a View Mechanism to Support Schema Evolution in Federated Database Systems. In A. Hameurlain and A. Min Tjoa, editors, 8th. Int. Conf. on Database and Expert Systems Applications (DEXA), Toulouse, France, September 1997. Springer Verlag, Lectures Notes in Computer Science Nro. 1308.Google Scholar
- 3.J. M. Blanco, A. Illarramendi, and A. Goñi. Building a federated relational database system: An approach using knowledge based system. International Journal of Intelligent and Cooperative Information Systems, 1(1), 1997.Google Scholar
- 4.U. Dayal and H. Hwang. View definition and Generalization for Database Integration in Multibase: a System for Heterogeneous Distributed Databases. IEEE Transactions on Software Engineering, 10(6), 1984.Google Scholar
- 5.P. Fankauser, R. Motz, and G. Huck. Schema Integration Methodology. Deliverable D4-4/1, IRO-DB(P8629), 1995. Accesible via the following URL address: http://www.darmstadt.gmd.de/oasys/projects/irodb/home.html.Google Scholar
- 6.Peter Fankauser. Methodology for Knowledge-Based Schema Integration. PhD thesis, University of Vienna, Austria, December 1997.Google Scholar
- 7.P. Fankhauser, G. Gardarin, M. Lopez, J. Munoz, and A. Tomasic. Federating Databases with Iro-DB. In Proc. of the Int. Conf. on Very Large Databases(VLDB’98)(Industrial Programm), New York, August 1998.Google Scholar
- 8.G. Gardarin, S. Gannouni, P. Fankhauser, W. Klas, D. Pastre, and R. Legoff. IRODB: A Distributed System Federating Object and Relational Databases. Prentice Hall, 1995.Google Scholar
- 9.M. Loomis, T. Atwood, R. Catell, J. Duhl, G. Ferran, and D. Wade. The ODMG Object Model. Journal of Object-Oriented Programming, 10(6), June 1993.Google Scholar
- 10.Regina Motz. Dynamic Maintenance of an Integrated Schema. PhD thesis, Darmstadt University of Technology, Germany, 1998. Forthcoming.Google Scholar
- 11.Regina Motz. Propagation of Semantic Modifications to an Integrated Schema. In Third IFCIS Int. Conf. on Cooperative Information Systems (CoopIS’98), New York, August 1998.Google Scholar