Meaning & use

annotator

noun·Advanced

Last updated

UK/ˈænəteɪtə/
US/ˈænəteɪtər/

Meanings

  1. nouncountable

    a person who adds notes, comments, or explanations to a text or image.

    Grammar: Countable: one annotator, two annotators. Often followed by 'of' or 'for': an annotator of old manuscripts.

    Patterns

    • annotator of something
    • annotator for something

    The annotator added helpful notes in the margins of the manuscript.

    As an annotator, she explained difficult words for modern readers.

  2. nouncountablecomputing

    a person whose job is to label data, such as text or images, for computer systems.

    Grammar: Countable. Often used in the phrase 'data annotator'.

    Patterns

    • data annotator
    • annotator of data

    The company hired annotators to label thousands of images for the AI model.

    Each annotator marked the parts of the sentence that were questions.

Word forms

pluralannotators

Common combinations

data annotator
She works as a data annotator for a tech firm.
chief annotator
The chief annotator checked the work of the others.
annotator of texts
He is a well-known annotator of Shakespeare's plays.
annotator agreement
The researchers measured annotator agreement to ensure reliability.

Synonyms and how they differ

commentator
A commentator gives opinions or explanations, often on events; an annotator adds written notes to a text or data.
editor
An editor may correct and improve a text, while an annotator mainly adds explanatory notes.
labeler
Labeler is used in data work and is close in meaning, but annotator is more formal and often implies detailed notes.

Word family

annotate verb
To add notes or comments to a text or image.
annotation noun
A note or comment added to a text or image.
annotated adjective
Having notes added, as in an annotated bibliography.

Commonly confused: annotator or announcer? annotator or annotater?

annotator vs announcer

An announcer reads news or introduces programs; an annotator writes notes.

annotator vs annotater

Annotater is a rare variant spelling; annotator is the standard form.

Practice

The team of ______ labeled each sentence as positive or negative for the sentiment analysis project.

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