ما هو البيانات الوصفية؟ - شرح المفاهيم
البيانات الوصفية هي معلومات مخزنة داخل الملفات تصف الملف نفسه - مثل تاريخ الالتقاط، موقع GPS، وإعدادات الكاميرا
آخر تحديث:
File Metadata: Simple Definition
Metadata is “data about data” - information stored inside a file that describes the file itself rather than its actual content. A JPEG photo contains metadata about when it was taken, what camera was used, the GPS coordinates, and camera settings.
You cannot see metadata by just looking at a file, but it is always there. This hidden information is useful for organizing files but can also be a privacy concern when sharing photos online.
Types of File Metadata
Images use EXIF (Exchangeable Image File Format) metadata to store camera settings, GPS coordinates, and timestamps. Music files use ID3 tags to store artist, album, and track information. Documents store author name, creation date, and editing history.
Many privacy-conscious users strip metadata from photos before sharing them online, since EXIF data can reveal your exact GPS location, what device you used, and when the photo was taken.
Examples of File Metadata
Photo EXIF data
Camera model, lens used, aperture, shutter speed, ISO, GPS location, date and time of capture.
Music ID3 tags
Song title, artist name, album, year, genre, track number, album art.
Document metadata
Author name, creation date, last modified date, software used, edit history, comments.
Video metadata
Duration, resolution, codec, frame rate, creation date, GPS location for mobile recordings.
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