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Mata—information generation in distributed information system
引用本文:苏健,高济.Mata—information generation in distributed information system[J].浙江大学学报(自然科学英文版),2002,3(5):532-537.
作者姓名:苏健  高济
作者单位:DepartmentofComputerScienceandEngineering,ZhejiangUniversity,Hangzhou310027,China
摘    要:The authors discuss the concept of meta-information which is the desription of information system or its subsystems,and proposes algorithms for meta-information generation.Meta-information can be generated in parallel mode and network computation can be used to accelerate meta-information generation.Most existing rough set methods assume information system to be centralized and cannot be applied directly in distributed information system.Data integration ,which is costly,is necessary for such existing methods.However,meta-information integration will eliminate the need of data integration in many cases,since many rough set operations can be done straightforward based on meta-information,and many existing methods can be modified based on meta-information.

关 键 词:粗糙集  智能数据分析  分布信息系统
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