Multidatabase Interoperability
Computer
Federated database systems for managing distributed, heterogeneous, and autonomous databases
ACM Computing Surveys (CSUR) - Special issue on heterogeneous databases
On resolving schematic heterogeneity in multidatabase systems
Distributed and Parallel Databases
LINDA: A System for Loosely Integrated Databases
Proceedings of the Fifth International Conference on Data Engineering
Database Integration in a Distributed Heterogeneous Database System
Proceedings of the Second International Conference on Data Engineering
An Object Algebra Approach to Multidatabase Query Decomposition in Donají
Distributed and Parallel Databases
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This research extends an existing framework for translating global queries over a heterogeneous network of databases, focusing on the consolidation of query results and the resolution of semantic differences between component databases and the global schema. The research uses an object-oriented database for the global platform and a self-describing global schema as a means for providing access to database information. During query consolidation, query results are read into object classes along with metadata needed to resolve the semantic differences. Through encapsulated procedures, query results are transformed and merged into the global format. This research identifies the information needed in the global schema for resolution of semantic heterogeneity during consolidation of query results.