Apache Stanbol
Apache Stanbol is now a retired Apache project which provided a set of components for semantic content management. I was a member of the project management board (PMC) and a committer for this Apache project.
![](https://sinaci.com/wp-content/uploads/2021/12/stanbol-semanticengine.png)
While this blog post describes the general concepts of Apache Stanbol, this paper gives detailed information about the semantic indexing and search we designed within Stanbol.