---
title: "Memory-type ontology · agent building block · Agent Fieldbook"
url: https://agentfieldbook.org/design/building_blocks/memory-typing/
description: "Semantic / episodic / procedural typing structures what the agent retains and how it is retrieved: the ontology of the agent's own experience. (See Software → Memory.)"
section: "Design · Building Blocks · Ontology"
source: Agent Fieldbook — generated from the published page
---

# Memory-type ontology

Semantic / episodic / procedural typing structures what the agent retains and how it is retrieved: the ontology of the agent's own experience. (See Software → Memory.)

## How it works

## At a glance

| Field | Value |
| --- | --- |
| Kind | Ontology· Memory typing |
| Example | LangMem / Mem0 |

## Basis

- [langchain-ai.github.io](https://langchain-ai.github.io/langmem/)