摘要: In the last few years, uncertainty management has come to be recognized as a fundamental aspect of data integration. It is now accepted that it may not possible remove generated during integration processes and in itself represent source relevant information. Several issues, such aggregation uncertain mappings querying mediated schemata, have been addressed by applying well-known theories. However, several problems lie unresolved. This article sketches an initial picture this highly active research area; details existing works light homogeneous framework, identifies discusses leading issues awaiting solutions.
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