> For the complete documentation index, see [llms.txt](https://bert.gitbook.io/bert-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bert.gitbook.io/bert-documentation/for-researchers.md).

# For Researchers

- [System Language](https://bert.gitbook.io/bert-documentation/for-researchers/system-language.md)
- [Deep Systems Analysis](https://bert.gitbook.io/bert-documentation/for-researchers/deep-systems-analysis.md)
- [System Ontology](https://bert.gitbook.io/bert-documentation/for-researchers/system-ontology.md)
- [System Archetypes](https://bert.gitbook.io/bert-documentation/for-researchers/system-archetypes.md)