The query processing in the distributed database systems is comprehensively summarized. This paper shows that using HASHING method for thereduction of semi-join communication cost is beneficial.
本文较全面地总结了分布式数据库系统的查询处理，并提出用HASHING 方法减少半连接通讯的开销是有利的。
In addition, a general expansion of lip ear hashing and the results of simulation of performance of the method are given as well.
此外，本文还对线性散列技术作了一般性扩充，并通过模拟实验研究了方法的性能。
Analyzed some typical P2P based search method and found they were composed by specific architecture and three basic methods: flooding, indexing and hashing.
分析了当前比较典型的P 2 P搜索技术，指出这些搜索方法都是由三种基本方法：洪泛、哈希和索引，结合一定的网络拓扑组合而成的。
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