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Wireless communication technology has been rapidly increasing, it became quite common for people to view maps or get related services from the handheld devices, such as mobile phones and PDAs. Spatial databases have witnessed an increasing number of applications recently, due to the fast advance in the fields of mobile computing and embedded systems and the spread of the Internet .Range queries are often posed by user to retrieve the useful information from a spatial database. the authors present a novel idea that a concise representation of a specified size for the range query results, while incurring minimal information loss, shall be computed and returned to the user.
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