Geotagging is the process of labeling data and information with geographical identification metadata, and text mining refers to the process of deriving information from text through data analytics.
Hail also automatically tags and archives metadata about text and photos, which is useful for schools and other groups that need to pull together annual reports or yearbooks.
The data the agency obtained, which ranged from "metadata' to text, audio and video, were then sifted by an NSA programme called Muscular, operated with the NSA's British counterpart, GCHQ, the documents say.
As a result of the legislation, law enforcement agencies in California now have to get a warrant from a judge before they can force a business to disclose or provide access to electronic information, including metadata, email, text messages or documents stored online in the cloud.
Assuming the sound files in the archive do not have textual metadata, a text-based retrieval system must relate sound files to text descriptions.
In digital form, it is a series of large TIFF images, associated metadata and article text captured from OCR.
Wickr's app contains an anti-forensics feature — the mobile equivalent of a paper shredder — that erases deleted files for good by writing over that metadata with gibberish text.
And let users add more text metadata to videos (tags and links in particular).
Even so, its call and text metadata have already been strip-mined, and found useless.
