What is data annotation?
Email spam filters
Speech recognition
Search engine recommendations
These are all examples of artificial intelligence at work that you may know about! What powers these AI models? Data. Specifically, labeled data that teaches the model what it needs to know. Data annotation, or the process of tagging the data used as input into the model, is the foundation of machine learning. Few online courses teach this process, yet data annotation is accessible and a fundamental step in many AI companies.