In other words , it is a transactional database , but only at the 换句话说,它是一个事务性的数据库,但仅仅处于
The maximum forward path method can transform the data into transactional databases , which are appropriated for mining 运用最大向前引用方法对用户会话进行分割,得到用户的事务数据库。
Transactional database systems in general are not very good at generating summary tables from log tables , because in this case row locking is almost useless 传统的数据库一般地在从日志表中生成摘要表这方面的表现不怎么好,因为在这种情况下,行记录锁几乎没用。
16 zaki m j , hsiao c j . charm : an efficient algorithm for closedassociation rule mining . technical report 99 - 10 , computerscience dept . , rensselaer polytechnic institute , oct . , 1999 . 17 burdick d , calimlim m , gehrke j . mafia : a maximalfrequent itemset algorithm for transactional databases 接着,我们在多分辨分析和shannon取样定理的启发下,设计出了一种高效的自适应在线获取近似关联规则的取样算法:多尺度取样算法multi - scaling sampling , ms 。