Vocabulary

Understand the term. Connect the concept.

A practical dictionary of 512 AI, machine learning, mathematics, and programming terms from HerbDev’s AI Vocabulary app. Start with a definition, explore an example, then follow the concepts behind it.

Linked concepts open in a new tab. Audio reads the definition and example.

Retrieval Recall

RAG / Retrieval · Level 2 of 5

Retrieval Recall

The fraction of relevant items retrieved from all relevant items under an evaluation definition.

It must specify candidate depth and what counts as relevant.

Example

The top ten results contain four of five known relevant passages.

Listen to the definition and example

Audio transcript

Retrieval Recall. The fraction of relevant items retrieved from all relevant items under an evaluation definition. It must specify candidate depth and what counts as relevant. For example: The top ten results contain four of five known relevant passages.

Explore this concept

Why it matters

This helps you trace an answer back to the evidence that was actually retrieved.

Start with

Related concepts

Quick recall question

Try answering before looking back at the definition.

Put the terminology into context: How AI works · Machine-native representations · All learning paths

Manage browser learning data

“Remove my test data” clears all AI 101 and ML 101 scores, reviews, project checklists and rating selections, plus saved vocabulary and recent history in this browser. Test entries cannot be separated from other learning progress. Cookie preferences, security protections, submitted feedback, contact emails and past analytics are kept.