Information about included data is provided by metadata, explicitly referenced by the data object.

元数据提供了被包含数据的信息，它被数据对象显式引用。

youdao

The reliability of metadata is guaranteed by the redundant copies which are generated by metadata mirroring.

通过元数据镜像生成冗余副本，保证了元数据的可靠性；

youdao

In addition to query by content, I can look for images by metadata keywords, such as filename, description, and creation date.

除了按内容查询之外，还可以按元数据关键字，比如文件名、描述和创建日期来查找文件。

youdao

Conveniently, Gawker sister site Lifehacker has a feature today on how to protect your privacy by removing metadata from photos before posting them on websites or sending them out to strangers on the Internet.

FORBES: How Not To End Up Like Congressman Chris Lee (Or: A Guide for Private Online Dating)

That is the way most of today's Web-search sites look for multimedia files--by scanning "metadata" associated with Web content.

FORBES: co-founder Sergey Brin

This includes highly granular metadata fields by which results must be organized.

FORBES: Surviving e-Discovery With the Department of Justice's Antitrust Division