Helps to optimize the entire structure of the site for a crawler by providing an alternate set of Web pages so that crawlers can quickly access and index a large number of embedded pages. 有助于为爬网程序优化站点的整个结构,通过提供备用的Web页面组,从而使爬网程序能够快速地访问大量的嵌入式页面并针对这些页面建立索引。
The Markov renewal processes theory and alternate renewal processes theory are used to find group of Laplace-Stieltjes transforms of reliability index. 文中运用Markov更新过程理论和交替更新过程理论,求得了系统的一组可靠性指标的Laplace-Stieltjes变换。