Why Appen?

Appen is a global leader in the development of high-quality, human annotated datasets for machine learning and artificial intelligence. With over 20 years of experience, expertise in more than 180 languages, and access to a crowd of over 1 million worldwide, Appen partners with global companies to enhance their machine learning-based products.

Additional resources


Global Tech Firm Expands into New Markets with Enhanced Speech System [Case Study]

Global Tech Firm Reaches New Markets with Enhanced Child Speech System [Case Study]

When designing a voice recognition system, it’s important that the speech system understands everyone speaking to it. But what happens when a speech recognition system doesn’t account for children’s speech? Most speech recognition platforms are only designed with adults in mind. Child speech is very different than adult speech, and not all speech recognition devices are well-equipped to deal with …

AI Requires a Human Touch_Appen Crowdsourcing_Crowd Sourced Data

AI Requires a Human Touch: How Appen Recruits Crowds to Improve Technology

Kerri Reynolds, Sr. VP of Human Resources and Crowdsourcing, shares insights into crowdsourcing and crowd recruiting.

Appen Local Search Results Case Study

Improving Local Search Results for Enhanced User Experience [Case Study]

When a search engine provider needed to keep up with business listing demand, it turned to Appen to ensure accuracy.



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