metadata
元数据
Definitions
- 1
Digital Technology.
- : higher-level data that describes or annotates a data set, as tags in a programming code that describe the hierarchical structure and the relationships among discrete pieces of data: Search engine spiders use content and HTML metadata to index websites.In their surveillance operations, intelligence agencies were able to access such metadata as the phone numbers involved and duration of phone calls.
Examples
We downloaded all 6,366 of the contracts on the site, along with associated metadata, such as the contract’s start and end date, county and municipality, and the parties involved.
The process starts when a publisher uploads owned video content with metadata — titles, descriptions and keywords.
This technology can also streamline workflows through AI-based auto-tagging, structured metadata and advanced search for real-time collaboration and on-the-fly content changes.
When getting fewer views than expected, marketers often think that they didn’t use the right keywords or metadata.
In order to figure out which ads to evaluate, publishers rely on metadata from the ad delivered by demand sources, and the ads are sometimes incorrectly labeled.
That was a failure of intelligence, and they had all the metadata in the world.
When asked, “Is metadata retained after video files are destroyed?”
The bit rates were poor, metadata inconsistent or nonexistent.
First, the NSA will no longer itself hold the vast store of telephone metadata.
Once the NSA has the metadata in its system, it retains it for five years, before destroying it on a rolling basis.