dataset

noun

da·​ta·​set ˈdā-tə-ˌset 

ˈda-

also ˈdä-

variants or less commonly data set

plural datasets also data sets

: a collection of data taken from a single source or intended for a single project

analyzed the dataset

If you're using a public dataset, make sure the data comes from a reliable source …

—Ben Dickson

The company is also … continuing to build its own dataset to improve its machine learning models.

—Alexandra S. Levine

Since AIs need a data set to learn and recognize patterns, one major worry artists have is that their artwork is being used for AI learning, raising concerns of copyright infringement.

—Daniel Salcedo Rubio

Examples of dataset in a Sentence

Recent Examples on the Web

In addition to refining the functionality of the tool, an obvious next step is to access datasets from additional archives and databases beyond just the one created by the Jeu de Paume. — Leigh Anne Miller, ARTnews.com, 31 July 2026

According to an Anthropic spokesperson, Claude models are trained on a mix of publicly available web data, commercially acquired datasets and internally generated data. — Tatiana Sataua, Fortune, 31 July 2026

Earlier this month, OpenAI said its security models exploited a zero-day vulnerability for use in breaking into the network of Hugging Face, a platform for open source machine-learning models and AI datasets. — Dan Goodin, ArsTechnica, 31 July 2026

These are the five requirements that separate organizations that scale AI from those still rebuilding the same dataset every quarter. — Susan Laine, Forbes.com, 31 July 2026

Word History

First Known Use

1958, in the meaning defined above

Rhymes for dataset

• alphabet
• arpanet
• bassinet
• bayonet
• biuret
• cigarette
• clarinet
• coronet
• coverlet
• epithet
• ethernet
• heavyset