针对分布式并行系统的特点，设计出一个高效实用的同步并行算法。
We have designed an efficient and practical synchronous parallel algorithm for the distributed system.
传统的挖掘频繁项集的并行算法存在数据偏移、通信量大、同步次数较多和扫描数据库次数较多等问题。
There were problems in traditional parallel algorithms for mining frequent itemsets more or less: data deviation, large scale communication, frequent synchronization and scanning database.
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