An Accounting Model-Based Approach to Semantic Reconciliation in Heterogeneous

Excerpt from An Accounting Model-Based Approach to Semantic Reconciliation in Heterogeneous Database Systems

The first three systems emphasize developing new databases or files with pertinent, accurate,and consistent data. They require a major system development and on-going maintenance. Subject area databases and common systems are developed in firms seeking better operational coordination; whereas information databases are developed in firms seeking improved managerial information.

Data access services, on the other hand, are usually provided by a small group of personnel, often part of an information center, whose goal is to better understand what data is available in current systems and to put into place mechanisms to deliver this data. These mechanisms include locating appropriate data, extracting data from production files, or training users in fourth generation languages.

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