AI glossary / How it works
World model
An AI's internal sense of how the world works, which lets it predict what will happen next. Seen as important for robots.
More words in How it works
- Agent harnessThe software wrapped around a model that lets it act as an agent. It manages the to-do list, the tools, the memory and the permissions.
- AttentionThe trick inside modern AI that lets it weigh which words in a sentence matter most to each other, so it keeps track of meaning.
- BackpropagationThe way a neural network learns from its mistakes: it works out how wrong it was, then nudges its internal dials to be less wrong next time.
- Chain of thoughtWhen an AI works through a problem step by step before giving its answer, which usually makes it more accurate.
- ClassificationSorting things into categories, such as spam or not spam. One of the most common jobs AI does.