Knowledge graphs
Knowledge graphs covers databases that store facts as connected entities, and the retrieval methods built on them.
In brief
Knowledge graphs, in brief.
What it isKnowledge graphs covers databases that store facts as connected entities, and the retrieval methods built on them.
Where it sitsOne of 11 categories in the Retrieval layer. Retrieval is how an AI system finds the right information at the moment it needs it: web search APIs, vector databases, full-text search engines, crawlers, and the frameworks that tie them into an answer.
What we track28 products, including AllegroGraph, Amazon Neptune, Apache AGE, ArangoDB and Cognee.
The products
28 products in Knowledge graphs.
Each name opens a search for that product in our index.
ProductMakerIts own site
From our census of 2026-11-08. A product listed here is one that belongs in this category; the search answer says whether we have checked it.
Questions
Knowledge graphs, answered.
What is Knowledge graphs in AI infrastructure?Knowledge graphs covers databases that store facts as connected entities, and the retrieval methods built on them.
Which layer of AI infrastructure is Knowledge graphs in?Knowledge graphs is in the Retrieval layer. Retrieval is how an AI system finds the right information at the moment it needs it: web search APIs, vector databases, full-text search engines, crawlers, and the frameworks that tie them into an answer.
Which products are in Knowledge graphs?We track 28 products in Knowledge graphs, including AllegroGraph, Amazon Neptune, Apache AGE, ArangoDB, Cognee, Dgraph, Diffbot Knowledge Graph and FalkorDB. The full list is on this page.
Retrieval