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搜索引擎的结果相关性排序对用户的查询至关重要,搜索引擎需要将用户最可能需要的信息放在搜索结果的前列以便用户的查询。本文在对搜索引擎的研究和设计实现的基础上,针对当前的几个主流搜索引擎的相关性排序方法进行了研究和对比评估,讨论了相对合理和优化的相关性评估方法。
The relevance ranking of search engines is of crucial importance to the user’s query. The search engine needs to put the information the user most likely needs in the forefront of search results for the user’s query. Based on the research and design of search engine, this paper studies and compares the current ranking methods of several major search engines, and discusses the relative reasonable and optimized correlation evaluation methods.