本文对文本分类和信息过滤技术进行了研究，提出了一种多特征选择方法。
Research on text categorization and information filtering are being done, Multiple Feature Selection Method is presented.
公司在其网站和报纸分类广告上公布招聘信息是家常便饭。
It's common for companies to post job openings on their websites and in newspaper classifieds.
与此同时，网络上的蜘蛛、蠕虫、代理程序和其他类型的自动化病毒越来越多，这些病毒旨在渗透站点，寻找信息并对其进行分类。
At the same time, the Net is increasingly populated with spiders, worms, agents and other types of automated beasts designed to penetrate the sites and seek out and classify information.
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