The key problem in information extraction is how to generate accurate, general, and robust extraction rules.

信息抽取中的关键问题是如何编写健壮、准确和通用的抽取规则。

youdao

Extraction rules can extract form fields, text, attributes, headers, regular expressions, and hidden fields.

撷取规则可以从栏位、文字、属性、标头、规则运算式和隐藏栏位中撷取。

youdao

There are two parts in the system, the definition of the Extraction rules and the execution of the Extraction rules.

系统主要分为两个部分，抽取规则的定义阶段以及抽取规则的执行阶段。

youdao

But oil and gas is a huge chunk of the extraction business, and the percentage depletion rules are more favorable for fossil fuels than for other things you might extract.

FORBES: Corporate Tax Reform and the Energy Sector

Job-creating companies, aware that regulation is inevitable and, if done right, can lend credibility to their natural gas extraction, are working with many officials to craft disclosure and other rules.

FORBES: 'E' In SEC Doesn't Stand For Environment -- Why Is It Probing Fracking?