摘要
提出了一种主题背景的概念,认为Web上的所有内容都有一个背景分布,通过此背景分布可以发现Web广泛主题;主要介绍了几种基于背景的广泛主题发现方法,同时也指出这些方法的不足和发展方向。
The paper presents a concept of theme background.It considers that all the information on the web has backgrounds by which we could discover web broad theme;The paper also introduces some web broad theme discovery methods based on background and points out their shortages and directions.
出处
《电脑学习》
2010年第2期80-81,共2页
Computer Study
关键词
背景
广泛主题
噪声
过滤
Background Broad Theme Noise Filter
