Glossary

Overview

This glossary focuses on doc-level and ecosystem-level terms used across the NeuronDB repository.

Terms

Extension

A Postgres extension (here: NeuronDB) that adds types, functions, operators, and index methods.

Vector

Fixed-length numeric array representing an embedding.

Embedding

A vector representation of text/image/audio produced by a model.

Hybrid search

Retrieval combining dense vector similarity with sparse/lexical signals and filters.

Reranking

Second-stage scoring of candidate results to improve relevance.

MCP

Model Context Protocol. Tool interface exposed to LLM clients.

Agent

A service/workflow layer that orchestrates tasks using DB + tools.

Multi-tenant

Patterns that isolate customer/tenant data within one logical system.