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The index storage models of the hybrid index mechanism have three models: tree model, hash index model and inverted file model.
混纯索引机造采取的索引亡储模型从要无树、哈希和反排文件三类方式。
Based on data-distort method, we propose privacy preserving association rules mining algorithm IFB-PPARM using efficient data structure namely inverted file.
基于数据变换法，提出使用高效数据结构即倒排文件的隐私保护关联规则挖掘算法ifb - PPARM。
The algorithm only need scan the transaction database once, and all the transaction operations are carried out on the inverted file mapped from transaction database.
算法只需对事务数据库做一次扫描，并且所有对事务的处理操作都在事务数据库映射成的倒排文件中进行。
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