Text Entity Tagging Certification
Named-entity spans, boundary precision and overlapping label sets in text datasets.
What this certification covers
Text Entity Tagging sits in the Data Annotation & Labeling track (Beginner). You read 3 written modules in order — each one has to be completed before the next opens — then sit a ten-question exam marked on our servers against a fixed answer key. Pass at 80% and the certificate is issued.
01Span boundaries40 min
- Mark the exact first and last token
- Decide on determiners and possessives
02Nested and discontinuous entities45 min
- Handle entities inside entities
- Tag entities split across clauses
03Label disciplines35 min
- Keep to the agreed label set
- Document a genuinely unlabelled case
Concepts tested
Span boundary
The exact first and last token included in an entity mention.
Nested entity
A mention that sits wholly inside a larger mention of another type.
Discontinuous entity
One entity whose tokens are interrupted by other text.
Label set discipline
Refusing to invent a new type when the agreed set does not fit.
Tokenization edge case
Mentions affected by punctuation, hyphens or clitics.
How to get certified
- 1. Create a free account — no card, no payment at signup.
- 2. Read the 3 modules in order and mark each complete.
- 3. Sit the ten-question exam. Retakes are free.
- 4. If you pass, pay $25 once to unlock the signed certificate.