Scam Alert: We’ve detected unauthorized use of the Defined.ai name.Read the notice

Become a partnerGet in touch
Get in touch
  • Browse Marketplace
  • Data Annotation

    Human-led labeling for text, audio, image and video

    Machine Translation

    High-quality multilingual content for global AI systems

    Data Collection

    Global, diverse datasets for AI training at scale

    Conversational AI

    Natural, bias-free voice and chat experiences worldwide

    Data & Model Evaluation

    Rigorous testing to ensure accuracy, fairness and quality

    Accelerat.ai

    Smarter multilingual AI agent support for global businesses


    Industries

NLP Datasets

Explore our comprehensive collection of NLP datasets, including Aspect-Based Sentiment Analysis (ABSA), Named Entity Recognition (NER), and parallel corpora. Essential for AI model development and research, these datasets are ready to enhance your project with robust insights.
NLP Datasets
Aspect-Based Sentiment Analysis

Aspect-Based Sentiment Analysis

NLP
Multilingual
Data Annotation

Didn't find what you are looking for? Let us help.

A Defined.ai expert will curate a custom list tailored to your specific needs. Fill out the form, and we’ll ensure you get the datasets that best match your requirements.

* = Fields required

By completing this form, you are opting in to communications from Defined.ai and agree to our Privacy Policy, Terms of Use and License Agreement. You may opt-out at any time.

Couldn’t find the right dataset for you?

Get in touch

© 2026 DefinedCrowd. All rights reserved.

Award logo
Award logo
Award logo
Award logo
Award logo
Award logo

Datasets

Marketplace

Solutions

Privacy and Cookie PolicyTerms & Conditions (T&M)Data License AgreementSupplier Program
Privacy and Cookie PolicyTerms & Conditions (T&M)Data License AgreementSupplier ProgramCCPA Privacy StatementWhistleblowing ChannelCandidate Privacy Statement

© 2026 DefinedCrowd. All rights reserved.

Award logo
Award logo
Award logo
Award logo
Award logo
Award logo