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Issue:
An Improved New Apriori Algorithm
Author(s):
LI Xiao-Hong
,
SHANG Jin
Pages:
196
-
198
Year:
2007
Issue:
4
Journal:
COMPUTER SCIENCE
Keyword:
Apriori算法
;
十字链表
;
事务数据库
;
Abstract:
本文分析了Apriori算法的时间复杂性和空间复杂性,利用十字链表来等价代替事务数据库的数组表示,从而使得:一方面,连接操作的次数减少一半,缩短了算法的运行时间;另一方面,挖掘过程中不必保留候选频繁项目集,节省了大量空间开销.实验表明,改进后新算法的性能具有可比性.
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