...large-scale text categorization; Web page categorization 摘 要: 文本自动分类是信息检索与数据挖掘领域的研究热点与核心技术,近年来得到了广泛的关注和快速 [gap=156]关键词: 自动文本分类;机器学习;降维;核方法;未标注集;偏斜数据集;分级分类;大规模文本分类;Web 页分类 文献标识码: A 中图法分类号: TP181 ..
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同时,S - TFIDF算法保持了TFIDF算法的高运行效率,适合大规模的文本分类任务。
Moreover, S-TFIDF algorithm is as efficient as TFIDF algorithm, which implies it is competent for large scale text categorization task.
特征提取因其方法简单、计算速度快,适合用来处理大规模的文本数据,在文本分类中得到了广泛的应用。
Feature selection has been effectively applied in text classification, because of its simplicity, fast calculation, suitable for handling large-scale text data.
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