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据中国互联网络信息中心发布的报告,截至2013年12月,我国搜索引擎用户规模达4.9亿,占网民总数的近80%。这意味着搜索引擎已经成为人们获取信息的主要工具。尽管以百度、谷歌为代表的搜索引擎取得了巨大的成功,但当用户不熟悉要搜索的目标领域,不确定搜索路径,甚至不清楚搜索目标时,该如何支持其搜索?这已成为搜索引擎领域亟待解决的问题。2006年,G.Marchionini提出了新的信息搜索模式——探索式搜索(explora-
According to a report released by China Internet Network Information Center, as of December 2013, the size of China’s search engine users reached 490 million, accounting for nearly 80% of the total number of Internet users. This means that search engines have become the primary tool for people to access information. Although search engines represented by Baidu and Google have achieved great success, how to support search when users are unfamiliar with the target areas to be searched, uncertain search paths, or even search objectives? This has become a search engine Areas to be solved. In 2006, G. Marchionini proposed a new information search mode - exploratory search (explora-