Few previous researches on Web query refinement, however, try to exploit the multi-modal information.
以往对于查询精化的研究很少涉及对多模态信息的利用。
A query refinement scheme, which synthesizes the synonymic relation and the semantic association, is presented.
提出了一种综合词法关系和语义分析的查询优化方法。
A query refinement system is designed and implemented. The experimentation results show the system can optimize query input efficiently.
设计实现了相应的查询优化系统，实验表明该系统可以有效提高搜索的准确率。
Out of the five types of basic changes previously specified, our discussion will concentrate on refinement and removal because of their impact on query formulation and results.
在前述五种基本变化类型中，我们主要讨论精化和删除，因为它们影响查询公式和结果。
Out of the five types of basic changes previously specified, our discussion will concentrate on refinement and removal because of their impact on query formulation and results.
在前述五种基本变化类型中，我们主要讨论精化和删除，因为它们影响查询公式和结果。
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