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Categorization Approach to Query Results Based on Heuristic Searching Cost
Author(s): 
Pages: 85-90
Year: Issue:  2
Journal: Journal of Liaoning Institute of Technology(Natural Science Edition)

Keyword:  搜索代价信息过载查询结果分类;
Abstract: 提出了一种基于搜索代价的对Web数据库多查询结果进行分类的方法,该方法首先通过分析用户的查询习惯,构建一个通用的查询结果分类树探测模型,然后根据探测模型建立分类树的搜索代价模型.对于搜索代价,提出了基于查询历史的搜索代价估计方法.最后,以降低搜索代价为目标在查询结果集上生成一个分类树,用户通过检查该分类树上各分支节点的标签来逐步定位到其感兴趣的信息.实验及分析表明,本文所提方法能够有效避免信息过载,并且具有较好分类效果和较低搜索代价.
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