A dataset of photos has no tags or categories attached. What is this?
Why B is the answer
Unlabeled data
Labels are known answers attached to examples.
In detail
- With no tags or categories, data is unlabeled.
- Labels are the known answers.
Use case
An illustrative scenario, not a real incident.
A folder of photos has no tags, so it is unlabeled, until someone adds what each shows.
See it in different ways
flowchart TD A["Data"] --> B["Structured: tables with fixed columns"] A --> C["Unstructured: text, images, audio"] A --> D["Labeled: examples with known answers"] A --> E["Unlabeled: no answers attached"]
mindmap
root((Data))
Structured
Tables
Unstructured
Audio
Images
Documents
Labeled
Tagged examples
Unlabeled
No tags
Quality
Accuracy
Completenessflowchart TD
Q{"Are answers attached?"}
Q -->|"Yes"| A0["Labeled data"]
Q -->|"No"| A1["Unlabeled data"]Key point: Labels are known answers.
Why the other options are wrong
- A. Encrypted data in a private table
- Nothing here says it is encrypted.
- C. Labeled data
- Labeled data has tags.
- D. Structured data with fixed columns
- Photos are not structured.

