A prototype system was implemented to analyze the data collected from the users employing the system as their spam filtering tool.

实现了一个原型系统，收集使用其作为垃圾邮件过滤器的用户的数据进行分析。

youdao

A homegrown tool based on a database has some of the same advantages as a spreadsheet; plus, they are often pretty good for doing filtering and traceability.

针对某个数据库单独开发的工具有着与电子表格软件相同的一些优点，此外它们还在过滤和可追踪性方面性能优异。

youdao

It is a free web-based tool that creates new feeds by filtering, merging and sorting existing feeds.

——通过过滤、整合、分类现有feeds以创建新feeds的一款免费的线上服务。

youdao

What we need is an attention management or filtering tool like the Social Lens project at IBM, discussed in a recent MIT Technology Review article.

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The report said that for more selective universities, such as those in the Russell Group who tend to ask for higher A-level grades, mathematics requirements can be a useful filtering tool.

BBC: Universities 'dumbing down on maths' to fill places

But even with this new tool, YouTube's filtering makes media companies work too hard to find and delete their content from the site, argues Gregory Rutchik, the founding attorney of the Arts and Entertainment Law Group.

FORBES: YouTube's Filter Fails to Please