hallucination

Related terms

generative AI

Models that produce new content rather than classifying or scoring content that already exists.4 shared lessons

temperature

A number that sets how strongly a language model favours its highest-scoring next word. Low values keep it on the favourite, high values make it more likely to choose from words with lower scores.1 shared lesson

large language model

A model trained on text to predict the next token, and so to generate language.6 shared lessons

vector index

A structure over a vector property. The database searches it to find the vectors nearest a given one, rather than comparing every vector stored.2 shared lessons

retriever

A component that searches a data source and returns the information relevant to a query. Often used to provide context for a language model.2 shared lessons

retrieval-augmented generation

Fetching relevant context from an external data source as additional context to inform a language model's response.1 shared lesson

text chunk

A piece of a larger document, small enough for a model to process and specific enough to be worth retrieving on its own.2 shared lessons

GraphRAG

Retrieval-augmented generation whose context comes from a knowledge graph, so the model can follow the relationships between facts.2 shared lessons