| Summary: | The factors that affect the performance of mobile agents in retrieving information
from the Internet are the number of agents and the total of routing time taken by the
participated agents to complete the assigned tasks. Fewer numbers of mobile agents
used to execute the tasks will cause lower network traffic and consume less bandwidth,
and the total time taken to retrieve the query results can be minimized. In this paper, the
performance of mobile agents for query retrieval is analyzed. Specifically, the performance
of mobile agent in obtaining a query result from the remote hosts using an extended hierarchical query retrieval (EHQR) approach is proposed. It is based on a
hierarchical and a parallel dispatching of mobile agents to the remote servers in order to retrieve the query results. Experimental results show that the proposed approach reduces the number of mobile agents and also improve the total time taken to retrieve the
query results compared with other approaches.
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