ABSTRACT
This paper highlights a project designed to help FEMA's Region VI address their information needs as well as extend the current technology for integrating heterogeneous databases. The successful completion of this project should lead to new and innovative ways to integrate multiple autonomous data sources. On the experimental side, the project is examining (1) architectural solutions to constructing mediated databases, and (2) new methods for supporting collaborative database activities. More specifically, the project is demonstrating the feasibility of representing the mappings between the virtual global database and the various data sources as XQuery queries [4]. We have chosen to use XQuery because of its efficiencies in processing the data, its ability to describe the data mappings, and its potential for improving standardization. The project's second task will address the collaborative interface problem. We are extending our current interface to support database activities such as viewing reports, sharing information, and editing data.
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Index Terms
- Research issues related to exchanging information from heterogeneous data sources
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