Survey on searching strategies of focused crawler
Caixing Liu · Jisuanji gongcheng yu sheji · 2008
While focused Crawler collect information,it needs to evaluate the relevance of web pages,and process firstly pages which have higher relevance,thus deciding the search path and efficiency of crawler.Web crawler's searching strategies based on the way they evaluate the web page is categorized.The character of each class of searching strategy is described and the advantage and disadvantage is discussed,several ways to improving the efficiency of web crawlers are summed up.