According to Ralph Kimball, metadata can be divided into three categories: technical metadata (or internal metadata), business metadata (or external metadata), and process metadata.

元数据（Metadata），又称中介数据、中继数据，为描述数据的数据（data about data），主要是描述数据属性（property）的信息，用来支持如指示存储位置、历史数据、资源查找、文件记录等功能。

Oct 17, 2024 · 元数据（Metadata）即“用以描述数据”的数据。 例如，我们把“某篇文献的本体”视为数据，那么用以描述前者特征的数据（篇名、作者、摘要、关键词、DOI名称、期刊名等）则称为该文献 …

Nov 28, 2025 · Metadata allows for the easy retrieval, management, and use of data. It can be collected for any type of data, from the content of ancient scrolls to that of modern websites, and it can relate …

元数据的简单定义是“关于数据的数据”。也就是说，它提供的数据详细信息与数据内容本身是分开的。例如，最近的客户订单表就是一个数据集，而关于该数据集的信息，例如谁拥有该数据集或它是什么类 …

Jul 12, 2021 · Metadata is data that describes other data, providing a structured reference that helps to sort and identify attributes of the information it describes.

Oct 25, 2025 · Metadata refers to data that provides information about other data. It describes the structure, content and characteristics of a file, document, image or dataset, helping users and …

Structural metadata are metadata that act as identifiers and descriptors of the data. Context: Structural metadata are needed to identify, use and process data matrixes and data cubes, e.g. names of …

Apr 22, 2025 · Discover what is metadata, its types, and why it's crucial for organizing and protecting your digital files. Learn how metadata enhances data management and privacy.

Aug 4, 2025 · Metadata is structured information that allows someone to identify, locate and retrieve a resource. The people who work with library metadata are called metadata librarians or catalogers.