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

For example, the legal industry will use legal datasets, legal reinforcement learning using human legal experts and AI models fine-tuned on legal domain. —Sudhanshu Duggal, Forbes.com, 9 Apr. 2025

Moreover, under agreements with local listing services, the giant aggregators like Zillow, Homes.com and Realtor.com compile those listings into a giant dataset, which anyone in the world can peruse. —Lew Sichelman, Miami Herald, 9 Apr. 2025

But those efforts appear to have focused on finding ways to leverage vast CMS datasets, rather than involving AI directly in patient care. —Leah Feiger, Wired News, 8 Apr. 2025

The dataset reportedly combines two separate leaks, merging fresh metadata from a 2025 breach with email addresses stolen in a previous 2023 incident. —Jason D. Greenblatt, MSNBC Newsweek, 2 Apr. 2025

Word History

First Known Use

1958, in the meaning defined above

Rhymes for dataset

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