Casper Cloak is a privacy protection method based on K-anonymity algorithm. To be anonymous, Casper Cloak needs to search regional sibling and parent node, which requires a complex process and huge expenditure. In add...Casper Cloak is a privacy protection method based on K-anonymity algorithm. To be anonymous, Casper Cloak needs to search regional sibling and parent node, which requires a complex process and huge expenditure. In addition,the anonymous area has space redundancy and it is not accurate enough to achieve high Location-Based Services (LBS) quality. To address these problems,this paper proposes an improved privacy protection method-NCC, based on the Casper Cloak. To reduce the unnecessary search, NCC introduced the concept of the first sibling node. NCC also improves the LBS quality by considering the characteristics of user mobility. Moreover, the improved method,NCC, which is incorporated with a redundancy optimization processing strategy,realizing more precise in the anonymous area and accurately guaranteeing the related degree of privacy. Adopting NCC verification experiments reflects varied advantages as bellow: (1) By reducing 80% searching time, NCC highly improved searching process. (2) The anonymous area produced in NCC not only meet users' anonymous demands, but the direction of the mobility which improves 4 times accuracy of services in comparison with Casper mode.(3) According to optimization strategy, NCC can reach minimum anonymous area index, increasing the rates of anonymous optimization in original algorithm.展开更多
赛默飞世尔科技近日宣布其董事会已任命Marc N Casper为公司总裁兼首席执行官及公司董事，任命自2009年10月15日起生效。Casper先生现任公司执行副总裁兼首席运营官。原任公司总裁、首席执行官及董事会成员的Marijn E.Dekkers先生将加...赛默飞世尔科技近日宣布其董事会已任命Marc N Casper为公司总裁兼首席执行官及公司董事，任命自2009年10月15日起生效。Casper先生现任公司执行副总裁兼首席运营官。原任公司总裁、首席执行官及董事会成员的Marijn E.Dekkers先生将加盟全球医药保健、作物营养、高科技材料领域的领先者拜耳公司。展开更多
文摘Casper Cloak is a privacy protection method based on K-anonymity algorithm. To be anonymous, Casper Cloak needs to search regional sibling and parent node, which requires a complex process and huge expenditure. In addition,the anonymous area has space redundancy and it is not accurate enough to achieve high Location-Based Services (LBS) quality. To address these problems,this paper proposes an improved privacy protection method-NCC, based on the Casper Cloak. To reduce the unnecessary search, NCC introduced the concept of the first sibling node. NCC also improves the LBS quality by considering the characteristics of user mobility. Moreover, the improved method,NCC, which is incorporated with a redundancy optimization processing strategy,realizing more precise in the anonymous area and accurately guaranteeing the related degree of privacy. Adopting NCC verification experiments reflects varied advantages as bellow: (1) By reducing 80% searching time, NCC highly improved searching process. (2) The anonymous area produced in NCC not only meet users' anonymous demands, but the direction of the mobility which improves 4 times accuracy of services in comparison with Casper mode.(3) According to optimization strategy, NCC can reach minimum anonymous area index, increasing the rates of anonymous optimization in original algorithm.
文摘赛默飞世尔科技近日宣布其董事会已任命Marc N Casper为公司总裁兼首席执行官及公司董事，任命自2009年10月15日起生效。Casper先生现任公司执行副总裁兼首席运营官。原任公司总裁、首席执行官及董事会成员的Marijn E.Dekkers先生将加盟全球医药保健、作物营养、高科技材料领域的领先者拜耳公司。
