# Sigma knowledge engineering environment
**Wikidata**: [Q7512412](https://www.wikidata.org/wiki/Q7512412)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sigma_knowledge_engineering_environment)  
**Source**: https://4ort.xyz/entity/sigma-knowledge-engineering-environment


## References

1. [Source](https://github.com/ontologyportal/sigmakee/pull/77)
2. [Release 1. 2004](https://github.com/ontologyportal/sigmakee/releases/tag/v1)
3. [Source](https://api.github.com/repos/ontologyportal/sigmakee)