For the problem of rule extraction in text categorization, a novel rule extraction approach to text categorization based on multi-population collaborative optimization was proposed.

针对文奉分类中的规则抽取问题，提出一种基于多种群协同优化的文奉分类规则抽取方法。

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For these entities, rule-based extraction is the proper approach.

对于这些实体，基于规则的提取是更合适的方法。

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