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HODFA: an architectural framework for homogenizing heterogeneous legacy databases

Published: 01 March 1995 Publication History

Abstract

One of the main difficulties in supporting global applications over a number of localized databases and migrating legacy information systems to modern computing environment is to cope with the heterogeneities of these systems. In this paper, we present a novel flexible architecture (called HODFA) to dynamically connect such localized heterogeneous databases in forming a homogenized federated database system and to support the process of transforming a collection of heterogeneous information systems onto a homogeneous environment. We further develop an incremental methodology of homogenization in the context of our HODFA framework, which can facilitate different degrees of homogenization in a stepwise manner, so that existing applications will not be affected during the process of homogenization.

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    cover image ACM SIGMOD Record
    ACM SIGMOD Record  Volume 24, Issue 1
    March 1995
    97 pages
    ISSN:0163-5808
    DOI:10.1145/202660
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    Association for Computing Machinery

    New York, NY, United States

    Publication History

    Published: 01 March 1995
    Published in SIGMOD Volume 24, Issue 1

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