0 information that is given to describe or help you use other information -- 元数据（用于解释或帮助理解信息的数据）
In the case of knowledge repositories, metadata acquisition is a current topic of interest.
Use a simpler document and metadata storage schema to improve performance, while still retaining the necessary access functionality.
The main difficulty was to use more than one tool on the same data, which often required significant transformation of data and metadata.
Bugs in this metadata parsing can hurt completeness, but they can never lead to incorrect acceptance of an unsafe program.
As a result of the automatic semantic annotation - metadata is being generated and associated with the processed content.
The search engine's query results deliver identifiers used to retrieve entities and their metadata from the store.
Examples of the terms are product names and task decompositions; examples of the metadata are document formats and document types.
In their work, contexts are defined as metadata relating data to their properties (such as source, quality and precision) and represented as sets.
