Terms related to machine learning · 3.3.16
training data
data used to train a machine learning model
What this term settles
The term looks ordinary until two teams use it differently. The entry removes that room by naming the thing, its inputs and its limits in one sentence.
Who it binds
Nothing here creates an obligation by itself. The obligation arrives when the firm writes training data into a control, a specification or a purchase order.
What to do in your practice
Map the places training data appears in policy, procurement and system records. Where the word is used without the entry behind it, add the citation or replace the sentence.
Evidence an auditor or regulator asks for
- A controlled vocabulary entry for training data with the citation 3.3.16, an owner and a review date.An auditor can check that the term is controlled rather than assumed.
- A model record that names the algorithm, the training run and the parameters that changed.Shows training data in use in the artefact the firm relies on, not only in a glossary.
- A training log with the data version, the criteria and the result.The model record names the vendor product but not the algorithm or the training run, so the term cannot be traced to an artefact.
Common gaps this page catches
- training data is used in the model and training record without a written definition, so two teams can mean different things.
- The entry exists in a glossary but not in the system record, so the two disagree at the point of use.
What to prepare before the amendment lands
Put training data on the agenda of the next AI governance meeting with two questions: where is it used, and what would show it is used correctly? Record the answers as actions.
How to test it here
Take one live artefact rather than a template, find the sentence or field where training data is used, and put this page beside it. Record the answer, the artefact and the date, because that record is the evidence and a glossary entry on its own is only an intention.
What this page does not claim
The page does not reproduce the standard, certify the firm or predict the wording the amendment will use; it states training data at the claim level "definition" and stops where the public record stops.
Common questions
- What does training data mean in ISO 22989?
- data used to train a machine learning model
- What evidence should we keep for 3.3.16?
- A controlled vocabulary entry for training data with the citation 3.3.16, an owner and a review date. A model record that names the algorithm, the training run and the parameters that changed.
- Is training data a requirement?
- No: training data is a definition or clause of a terminology standard, and it becomes binding only when a firm writes it into a policy, a contract or a procedure, or when another standard incorporates it.
Related units
Source. ISO/IEC 22989:2022, Clause 3.3.16, Terms and definitions. Open the ISO public entry. Retrieved 21 October 2026.
https://www.iso.org/obp/ui/en/#iso:std:iso-iec:22989:ed-1:v1:en
ISO catalogue record 88145, the amendment status, stage and dates. Catalogue record 74296, the base standard.
Claim level: definition. The definition is in the public preview. This page states it in our own words and does not reproduce the text.
Last updated: 2026-10-21 · Markdown version · Check your vocabulary