metadata
Học thuậtThân thiện
Definition
- Noun:
- Data about data: Information that describes, explains, locates, or otherwise makes it easier to retrieve, use, or manage other data. It provides context and structure.
Usage
- Metadata is a non-count noun. It is treated as a singular concept, though it refers to a collection of descriptive elements.
- It is commonly used in fields like computing, library science, and digital asset management to describe the properties of a primary data source.
Examples
- The metadata for a digital photograph includes the date it was taken, the camera model, and the file size.
- Effective metadata management is crucial for organizing large databases.
- Researchers rely on the metadata to understand the context and source of the archived documents.
Advanced Usage
- "Embedded metadata": Descriptive information stored within the file it describes.
- The embedded metadata in the PDF file contained the author's name and creation date.
- "Metadata schema": A structured framework that defines the types and rules for metadata.
- The project uses the Dublin Core metadata schema for cataloging resources.
Variants and Related Words
- Metainformation (n): A less common synonym for metadata.
- Descriptive data (n): A general phrase similar in meaning to metadata.
Synonyms
- Data about data: The core definition.
- Descriptive information: Information that describes other data.
- Tag data: Information used for labeling or categorization (common in digital contexts).
Related Phrases
- "Metadata standard": An agreed-upon set of rules for creating metadata.
- Compliance with a metadata standard ensures interoperability between systems.
- "To harvest metadata": To automatically collect metadata from various sources.
- The search engine bots harvest metadata from websites to improve search results.
Related Idioms
- When asked what metadata is, she explained it simply as "the data about the data."
Noun
- data about data
- a library catalog is metadata because it describes publications