Hypertext Editing System

The Hypertext Editing System, or HES, was an early hypertext research project conducted at Brown University in 1967 by Andries van Dam, Ted Nelson, and several Brown students.[1] It was the first hypertext system available on commercial equipment that novices could use.[2]

Hypertext Editing System (HES) IBM 2250 Display console, with lightpen  – Brown University 1969

HES organized data into two main types: links and branching text. The branching text could automatically be arranged into menus and a point within a given area could also have an assigned name, called a label, and be accessed later by that name from the screen. Although HES pioneered many modern hypertext concepts, its emphasis was on text formatting and printing.

HES ran on an IBM System/360 Model 50 mainframe computer, which was inefficient for the processing power required by the system. The program was used by NASA's Houston Manned Spacecraft Center for documentation on the Apollo space program.[3] The project's research was funded by IBM but the program was stopped around 1969, and replaced by the FRESS (File Retrieval and Editing System) project.

Ted Nelson claims credit for inventing the back button with regards to hypertext, as the Hypertext Editing System was the first system that contained one.[4]

References
  1. Brown University Department of Computer Science. (23 May 2019). A Half-Century of Hypertext at Brown
  2. Barnet, Belinda. (2010). Crafting the User-Centered Document Interface: The Hypertext Editing System (HES) and the File Retrieval and Editing System (FRESS). Digital Humanities Quarterly, Vol 4 No 1.
  3. van Dam, Andries. (1988, July). Hypertext '87 keynote address. Communications of the ACM, 31, 887–895.
  4. Barnet, Belinda (2013-07-15). Memory machines : the evolution of hypertext. London. p. 104. ISBN 9780857280794. OCLC 855019922.
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