Why Appen?

For over 20 years, Appen has worked with companies around the world to improve their speech and machine learning-based solutions by providing high-quality, human-annotated data. With coverage in over 180 languages and dialects, we can help you reach more users more effectively.

Our data services


  • Consultative Services

    We work closely with your team to develop a customized program that addresses your unique business challenges.

  • Linguistic Annotation

    Help train your machine learning model to better understand text so it can respond more accurately to human interaction.

  • Translation and Localization

    Traditional translation and machine translation services from language and data experts.

Additional resources


Hand pointing at a laptop screen

Why Human-Annotated Data is Key to Machine Learning: Three Use Cases

Machine learning requires high volumes of data for training, validation, and testing. A machine learning model learns to find patterns in the input that is fed to it. This input is referred to as training data. As you train your solution to form relationships between variables, it’s important to have the right data, structured in the right format, covering all …

5 Machine Learning Use Cases that are Making a Difference in the Business World

5 Machine Learning Use Cases that are Making a Difference in the Business World

Companies that are using machine learning are starting to reap the rewards and transform the way they do business. Machine learning is allowing businesses to optimize operations, deliver better customer experiences, enhance security and more. As enterprises race to stand out from the competition and do more with the same resources, machine learning is becoming an important investment. Here are …

Improving relevant search results for Microsoft Bing - Appen Case Study

Improving Search Quality for Microsoft Bing in Multiple Markets [Case Study]

Improving results of the Bing search engine requires improving algorithms. Appen provides data collection support to optimize performance.

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