Using the value of case credibility, the case retrieval and case library maintenance can be directed to assure the efficiency and credibility of CBR system.
利用评价结果可以指导案例的检索和案例库的维护， 保证CBR系统工作的效率和可信度。
The paper provides some improving measures, and gives a model of active pushing system based on vector space model, which can better improve the efficiency of Web information retrieval.
本文提出了一系列优化措施，设计了一个基于向量空间模型的主动推送系统原型，更好的满足网上信息检索效率的提高。
Compared with the traditional information retrieval technologies, the efficiency of search retrieval system which USES distributed data retrieval technology is improved significantly.
与传统的信息检索技术相比，使用分布式数据检索技术的检索系统在检索效率上有了大幅的提高。
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