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《Science of Surveying and Mapping》 2010-01
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Research on privilege management for surveying and mapping application system

GAO Shou-du(Henan Electric Power Survey & Design Institute,Zhengzhou 450007,China)  
Surveying and mapping data security,especially access control,has become an indispensable function component in the practical application of surveying and mapping fields.During further anglicizing RBAC,the shortcoming of it is pointed out.An improved model named E-RBAC is proposed that user grou pis introduced.One way to grant user privilege is using role based on RBAC,another way is using user groupthat introduced above.The improved mix granting method solves the mentioned problem and is very convenient.It makes the system's authority limitation management easier.Meanwhile,it improves the safety of system.It has been used in some projects successfully.
【CateGory Index】: P208
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