Wikipedia: History of Hierarchical tree structure

Difference (from prior major revision) (minor diff)

Changed: 12,15c12,13

* Computer Science: binary search tree
* Internet: [usenet hierarchy]?
* Biology: [classification of species]?
* Information management: [Dewey classification]?, [[Yahoo! Subject Index]]

* Internet: [usenet hierarchy]?, [[Yahoo! Subject Index]]
* Information management: Dewey Decimal System

Removed: 18d15

* Business: [pyramid selling scheme]?

	Revision 6 . . (edit) October 26, 2001 4:13 am by Seb
	Revision 3 . . (edit) October 26, 2001 3:55 am by Seb