结论利用此模型实现的信息检索系统进行信息检索时具有更高的准确率和查全率。
Conclusion the information search system utilizing the presented model is believed to have higher accurate ratio and recall ratio.
分析了搜索引擎在查全率与查准率方面存在的局限性，提出了提高搜索引擎检索准确率的策略。
This paper analyzes the limitation of search engines in the recall and precision, and advances some tactics for increasing the retrieval precision of search engines.
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