计算机应用研究2001，Vol.18Issue(3)：65-67,3.
基于抽样技术的序列模式的维护
The Maintenance of Sequential Patterns Based on Sampling Techniques
摘要
Abstract
The methods to solve the problem of maintaining discovered sequential patterns have mainly two kinds. One is simply applying algorithms of mining sequential patterns to the updated database, but it scans not only changed data but also unchanged data in the original database which is very large. If the database is updated frequently, it takes much time. Another is according to the number of records changed in the database to decide when to operate the whole database, but the number of sequential patterns changed is not in proportion to the number of records changed. So we use sampling techniques to estimate the degree of sequential patterns changed to determine whether we should update mined sequential patterns by operating the whole database or not. This can solve better the problem and find sequential patterns efficiently and exactly.关键词
数据挖掘/序列模式/抽样/SMSP(using Sampling to Maintain Sequence Pattern)算法分类
信息技术与安全科学引用本文复制引用
徐敏,金远平..基于抽样技术的序列模式的维护[J].计算机应用研究,2001,18(3):65-67,3.
