Guide
Knowledge graph vs mind map vs concept map
By Yash Trivedi ·
The short answer
A mind map branches out from one central idea like a tree. A concept map connects ideas with labelled links that read as statements. A knowledge graph is a network of entities joined by typed relationships, where anything can link to anything — readable by people and by software.
Comparison table
Mind map
- Shape
- A tree: one central idea with branches
- Links
- Unlabelled branches
- Cross-links between branches
- Rare
- Who reads it
- People
- Size
- One page
- Best for
- Brainstorming, note-taking, quick overviews
- Origin
- Popularised by Tony Buzan in the 1970s
Concept map
- Shape
- A network, usually with a main idea at the top
- Links
- Labelled with linking phrases (“causes”, “requires”)
- Cross-links between branches
- Encouraged — they show deeper understanding
- Who reads it
- People
- Size
- One page to a few pages
- Best for
- Explaining how ideas relate; testing understanding
- Origin
- Developed by Joseph Novak's team at Cornell in the 1970s
Knowledge graph
- Shape
- A network with no fixed centre
- Links
- Typed relationships (“born in”, “part of”)
- Cross-links between branches
- Normal — any node can link to any other
- Who reads it
- People and software
- Size
- From a handful of nodes to billions
- Best for
- Exploring a whole subject; search, data and AI systems
- Origin
- Term popularised by Google's Knowledge Graph in 2012
| Mind map | Concept map | Knowledge graph | |
|---|---|---|---|
| Shape | A tree: one central idea with branches | A network, usually with a main idea at the top | A network with no fixed centre |
| Links | Unlabelled branches | Labelled with linking phrases (“causes”, “requires”) | Typed relationships (“born in”, “part of”) |
| Cross-links between branches | Rare | Encouraged — they show deeper understanding | Normal — any node can link to any other |
| Who reads it | People | People | People and software |
| Size | One page | One page to a few pages | From a handful of nodes to billions |
| Best for | Brainstorming, note-taking, quick overviews | Explaining how ideas relate; testing understanding | Exploring a whole subject; search, data and AI systems |
| Origin | Popularised by Tony Buzan in the 1970s | Developed by Joseph Novak's team at Cornell in the 1970s | Term popularised by Google's Knowledge Graph in 2012 |
What is a mind map?
A mind map puts one idea in the centre and branches outward into sub-topics, then sub-sub-topics. It mirrors how you brainstorm: fast, personal and loose. Branches usually carry single words or short phrases, and they rarely connect to each other. That makes mind maps great for notes and first overviews, but they don't say how two ideas relate.
What is a concept map?
A concept map links concepts with labelled arrows, so every pair reads as a small statement — “photosynthesis produces oxygen”. Concept maps are often arranged from general at the top to specific below, and they encourage cross-links between different areas, which is exactly where real understanding shows. Teachers use them to see whether students grasp the relationships, not just the terms.
What is a knowledge graph?
A knowledge graph stores knowledge as entities (people, places, events, ideas) connected by typed relationships (“born in”, “part of”, “influenced”). There's no single centre and no size limit: Wikidata's graph holds well over a hundred million items, and search engines use knowledge graphs to answer questions directly. A small knowledge graph about a single topic is also a very readable way for a person to see a whole subject at once.
Which one should you use?
- Brainstorming or quick notes — a mind map.
- Checking that you understand how ideas relate — a concept map.
- Exploring a subject you don't know yet, or researching a field — a knowledge graph.
- Exam revision — start from a knowledge graph of the topic, then test yourself with flashcards and recall.
How Throvic combines them
Throvic starts every topic like a mind map — the topic in the centre, its most important concepts around it — but each link carries a label, like a concept map, and every concept is matched to its Wikipedia article. Expand any concept and the map grows into a knowledge graph, with cross-links to concepts already on it. Try the AI mind map generator or the knowledge graph generator.
Frequently asked questions
What is the main difference between a mind map and a knowledge graph?
A mind map is a tree that branches out from one central idea, and its branches are usually unlabelled. A knowledge graph is a network where any concept can connect to any other and every connection has a defined meaning.
Is a concept map the same as a mind map?
No. A concept map labels every link with a linking phrase so that two concepts and their link read as a statement (“photosynthesis — produces — oxygen”), and it often links across branches. A mind map usually has neither.
Which is best for studying?
Use a mind map to collect what you know quickly, a concept map to check you understand how ideas relate, and a knowledge graph to explore a subject you don't know yet — it shows the important concepts and their relationships before you read the details.
Can a mind map become a knowledge graph?
Yes — add labels to the links and connect concepts across branches. Throvic works this way: a new map starts as a topic with its main concepts, and expanding concepts turns it into a growing knowledge graph.
Are knowledge graphs only for computers?
No. Large knowledge graphs such as Wikidata are built for software, but small knowledge graphs about one topic are a very readable way for people to see how a subject fits together.
Further reading on Wikipedia: Mind map · Concept map · Knowledge graph