随着互联网上信息数量的激增，信息搜索技术面临着越来越大的挑战．传统的搜索引擎很

难满足用户个性化的需求，因此将人工智能技术的研究成果引入到搜索引擎之中便成了不可避免的一

种趋势-With the surge in the amount of information on the Internet, and information search technology faces increasing challenges. Traditional search engines can not meet the needs of individual users, the research of artificial intelligence technology being introduced into the search engine has become an inevitable trend