【摘要】 针对网站表示难题,引入关键资源的概念,对网站关键资源进行了分析,设计了一个主页优先的网站关键资源获取方法,给出了一个改进的TF-IDF公式用于计算特征的权重,并研究了关键资源特征抽取的方法,最后提出了基于关键资源的网站分类系统的模型.更多还原

【Abstract】 The concept of key resource was proposed for website representation.First an analysis on the key resource of a website is given.Then a method that acquires the key resource of a website and an improved TF-IDF formula for calculating the feature are presented and the method of the feature extraction of the key resource is also presented.Lastly,a website categorization model based on key resource is described.更多还原