摘要
多媒体文件的欢迎度是随时间而变化的,分析预测欢迎度并将其应用到节目存储管理中可以降低VoD系统的性价比。对用户点播数据的分析表明,大部分多媒体节目欢迎度变化过程包括增长、平稳和下降三个阶段。文章探讨了完整变化过程的阶段划分算法,以及节目所处阶段的判断算法,并用回归分析的方法探讨了各个阶段欢迎度的分析和预测。
The popularity of multimedia contents changes along with time. Most of the Multimedia contents's popularity changing procedure can be divided in to three phases: grow phase, stable phase and decline phase. In this article, partition algorithm of the whole procedure and Judge algorithm of current files are proposed , Analysis and prediction of multimedia popularity is studied in regression method also.
出处
《中山大学学报（自然科学版）》
CAS
CSCD
北大核心
2003年第A19期261-263,共3页
Acta Scientiarum Naturalium Universitatis Sunyatseni
关键词
VOD
趋势预测
阶段划分
VoD
phase partition
trend analysis and prediction
