虽然相关性未必就是因果关系，但推理是非常简单的。
While correlation does not prove causality, the reasoning is quite simple.
通过语义推理、查询导航，以及对查询结果相关性反馈信息的处理，更好地理解用户查询意图；
By semantic inference, inquiring navigation and processing the correlation feedback information inquired out, the system can understands the intention of customer better.
描述一种基于定性推理的网页分类方法，即通过对网页属性与样本集的相关性来得出结果。
This paper describes a novel method for Webpage classification that under qualitative reasoning, which obtains the result by attribute of Webpage and relevance of swatch.
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