Preface:
This book was officially begun in the fall of 1989 during a wonderful stay at Ben Shneiderman's HCIL (Human Computer Interaction Lab) and at UMIACS (University of Maryland Institute for Advanced Computer Studies). The many lively seminars and conversations informed this work in many very obvious and even more completely intangible ways. The environment fostered historical perspective and constant evaluation of the merits of changing technologies from well-grounded empirical perspectives. And the perspectives were far ranging and lively. A broad spectrum of interests coursed through the many meetings: conventional and unconventional computer science; library science and information retrieval; psychology, human factors, and cognitive science; education, of course; and training. What a wonderful group of people!
Unofficially, of course, the work had been in progress for many years at ARI (the U. S. Army Research Institute), since my first contacts with Frank Halasz' and John Seeley Brown's early efforts in Notecards and Annoland. It would have taken a blockhead not to be moved by the power of these environments for getting at the core of knowledge and making it public. Bob Lawler's magnificent CASE efforts demonstrated in just one way how these environments could transform analytic research. And then the universe exploded majestically with Hypertext'87
This work has continued at ARI even while I was at UMIACS and I am indebted to my many colleagues there for their unstinting interest and enduring struggle against bureaucratic obstacles to maintain visible research.
It is customary to name names, and so the list that follows is an attempt to catalog my human resources Chapter 1: Introduction , with an apology to the many whose unrecognized contributions were vital to the creation of whatever merit this volume encloses.
Chapter 2: Hypertext Features 20
Chapter 3: Hypertext: History and Meaning
Chapter 4: Reading and Writing
Chapter 5: AI and knowledge Representation
Chapter 6: Information Retrieval
Chapter 7: Authoring and Design
Chapter 9: Multimedia and Graphics
Chapter 11: Other Applications
for each chapter.
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