Absrtact: Metadata is "the data about data", it's the information that is used to describe resources' properties.

摘要：元数据是“关于数据的数据”，是用来描述资源属性的信息。

youdao

Metadata, the data about data, which describe every document in Digital Library, is a important tool to manage, retrieve data and to interoperate among Digital Libraries.

元数据是关于数据的数据，数字图书馆中，每个数据文档由其元数据描述，元数据是数字图书馆管理、检索数据以及在各个层面上实现互操作的重要手段。

youdao

The data object also holds references to metadata that provides information about the data included in the data object.

数据对象还存放对元数据的引用，元数据提供有关包含在数据对象中的数据的信息。

youdao

The Greater New Orleans Community Data Center says the city's population is about seventy-seven percent of what it was before Katrina.

VOA: special.2010.01.22

In class we'll have more data to present to you and we'll be eager to talk about some of the ways that people will be using the site and what the potential impact will be.

课堂上将会呈现更多的数据,我们渴望谈论,人们用这个网站的方法,以及潜在的影响。

麻省理工公开课 - 媒体、教育、市场课程节选

Now I constructed that little picture out of actual data from the New Testament, and what we have from writings about ancient Christians.

这幅画面是我根据,新约中的真实资料以及古基督教文献，构建出的。

耶鲁公开课 - 新约课程节选

Asking for the data, asking questions about the data, pushing for insights, and taking actions in response to those insights shows the rest of the company what role marketing analytics plays in decision making.

FORBES: The Utilization Gap: Big Data's Biggest Challenge

The crude green screen interface had fields that needed to be filled in for show titles and genres (effectively turning what would have been text into valuable metadata data about the data) as well as three summaries of different lengths for each show.

FORBES: With All Content Moving Mobile, Karen McGrane Writes, The API's The Thing

For Ms Gallagher at Demos beefing up the power of the Information Commissioner to enforce the Data Protection Act would help redress some of the imbalance between the data companies hold about us.

BBC: NEWS | Technology | Do you know what they know about you?