后期 later stage; later period; anaphase (细胞分裂的) 二十世纪八十年代后期 the late 1980s; 抗日战争后期 the later part of the anti-japanese war; 任职后期 the later period of office; 后期管理 final-period management
And then it emphasizes the structure model and the process of data warehouse , the ways of extracting data from operation model and guiding into the data warehouse , the realization techniques of dealing with data synthetically , as well as the mechanism of how to superadd the upper data into the data warehouse , and introduces the realization techniques of the mining model of association rule , the apriori and the fp - growth arithmetic particularly 接着重点讨论了数据仓库的构建模型和构建过程,从操作型环境抽取数据并导入数据仓库方法,对数据进行综合处理的实现技术,以及后期数据如何追加到数据仓库的机制,并详细介绍了关联规则挖掘模型, apriori算法,和fp - growth算法的实现技术。