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Due to existence of many distributed and heterogeneous system in the enterprises and governments, the integration of the data is becoming an investigative hotspot. Based on the analysis of many projects of data integration, an active differential data synchronal model is proposed. The change of the source data is listened actively and the update of the destination data is done synchronously through a monitor, also a wrappage is installed in the heterogeneous data node.
Date of Conference: 23-25 Nov. 2007