As we launch the AI ​​review site AICritique, our first feature will be on knowledge graphs, which have seen increasing standardization in recent years and a dramatic increase in the number of companies entering the field.

Knowledge graphs (KGs) began to attract attention when Microsoft released GraphRAG on GitHub in July 2024 as a means of implementing RAG (Retrieval-Augmented Generation) to correct hallucination in LLMs (large-scale language models). However, a little research into knowledge graphs reveals that this technology is not something that just started recently; the standardization of the technology has progressed considerably, and a company called Neo4j has made great strides in the underlying graph database, with the number of companies entering the market approaching 100.

First, let’s look at the players from here:

Graph Database
Startups