The article spends a bit of time describing Storyspace, and even gives a screenshot (probably not a real screenshot, though?):
The authors try to position hypertext fiction along with other experimental literature:
A few more quotes:
Among its many uses, hypertext can serve as a medium for a new kind of flexible, interactive fiction. Storyspace™ is a hypertext system we have created for authoring and reading such fiction. Interactive fiction in the computer medium is a continuation of the modern “tradition” of experimental literature in print. However, the computer frees both author and reader from restrictions imposed by the printed medium and therefore allows new experiments in literary structure.