在线社交网络中基于隐私本体的访问控制研究

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6、˟˵ŅĆ˨！D̀˳ʛƲÙşrƞóĢ×͕ɕrƞʤȼk΍̪ȯ5͇ȆǷˑǠʤʕ̈́óǼɜĆϐ˃qǁǼϚʤæʕƚóȜǯƚι͌6Ć˨！D̀˳5ϐ˃qǁ5ȢeȮŴ5ȵ；5͆μǝIĆ˨！D̀˳Jď?ϐ˃Ȣeʤ͆μǝʶˊABSTRACTWiththerapiddevelopmentofInternettechnology,moreandmorenetworkserviceshaveenteredintopeople'sdailylife.Onlinesocialnetworkscansatisfyusers'quickandconvenientcommunicationandshareinfo

7、rmationwithothers.Andithasbroughtgreatconveniencetopeople'sdailylife.Butuserswhopublishinformationintheonlinesocialnetworksplatformalsoproducedtheprivacyriskswhilepromotingexchangeswithothers.Howtomeettheneedsthatusersshareinformationwithfriendsandprotecttheuser'sprivacyeffectivelyatthesamet

8、imesisthemainproblemofprivacyprotectioninonlinesocialnetworks.Therefore,weneedtoclarifythescopeofonlinesocialnetworksprivacyprotectionandtherelatedknowledgeintheprivacyfield.Andproposingcorrespondingprivacyprotectionmethodsaccordingtothecharacteris