# Chat-80

> natural language system which allowed the user to interrogate a Prolog knowledge base in the domain of world geography

**Wikidata**: [Q32160626](https://www.wikidata.org/wiki/Q32160626)  
**Source**: https://4ort.xyz/entity/chat-80


## References

1. [Source](http://www.let.rug.nl/~vannoord/Hdrug/Manual/node2.html)