# tree

> undirected, connected and acyclic graph

**Wikidata**: [Q272735](https://www.wikidata.org/wiki/Q272735)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tree_(graph_theory))  
**Source**: https://4ort.xyz/entity/tree-q272735


## References

1. Library of Congress Authorities
2. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
3. Integrated Authority File
4. Freebase Data Dumps. 2013
5. BabelNet
6. National Library of Israel