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Notice of Retraction
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE's Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
In order to access heterogeneous databases more conveniently, more flexibly and faster, based on the ideas of CSCW, Mobile-Agent technology and distributed computing technology, a new distributed data access model based on Multi-Task Cooperative mobile-Agent is presented. This model describes the general framework, the distribution of Agents and the function of agents. Finally, the model was applied to a data reporting system of Down-Hole work which improved efficiency of the system and enhanced self-adaptability, cooperation and intelligence of the system in comparison with the traditional distributed data access system and the existing mobile-agent system.