PERMISSIONS ACKNOWLEDGEMENTS       


Figures I.5-7 courtesy of Springer-Verlag, from Chin, D. C. KNOME: Modeling what the user
knows in UC. In Kobsa, A. Wahlster, W. (eds.), User Models in Dialog Systems. Springer, Berlin, 1989.
     
Figure I.8 courtesy of International Journal on Man-Machine Studies, Academic Press, Ltd.,
from Kok, A. J. A Formal approach to user models in data retrieval. International Journal on Man-Machine Studies 35, no. 6, 1991. Text extract, Section 3.1 courtesy of CERN Library, from Berners-Lee, T. Cailliau, R. Groff, J. Pollerman, B. World-Wide Web: The Information Universe. CERN, Geneva, Switzerland, 1992.
     
Figures I.11(a,c), I.12(a), I.13(a,c) courtesy of  Computing Services, Kiewit Computation Center,
Dartmouth College, Hanover, NH.
     
Figures I.11(b), I.12(b), I.13(b), I.14(a), I.34(b), I.35(b), I.64(c), II.10(b), II.16(b), II.25(b),
II.26(b), II.28(b), II.41(b), V.14(b), V.15(b), V.16(b), V.19(b), V.20(b), V.21(b) and Table I.1 Copyright  
1994-1995 Netscape Communications Corporation. All rights reserved.
     
Figure I.14(b) courtesy of MIT Center for Coordination Science.
     
Figures I.15-18, I.19(a) courtesy of Dr. Hermann Maurer, Institute for Information Processing
and Computer Supported New Media (IICM), Graz University of Technology, Austria; and Institute for
HyperMedia Systems (IHM) of Joanneum Research, Graz, Austria.
     
Figure I.23 courtesy of Prof. Hugh Davis, The Multimedia Research Group, Dept. of Electronics
and Computer Science, University of Southampton, U.K.
     
Figures I.24-27 courtesy of Kevin Hughes.
     
Figures I.28-30 courtesy of Prof. Jay Bagga, Dept. of Computer Science, Ball State University, Muncie, IN.

Figures I.34(a), I.35(a) courtesy of Prof. Tariq S. Durrani, Dept. Of Electronic and Electrical Engineering, University of Strathclyde, Glasgow, and Project INTERACT.
     
Figure I.40   1994 Association for Computing Imagery, from Furnas, G. W. Zachs, J. Multitrees: Enriching and reusing hierarchical structure.  Human Factors in Computing Systems, CHI  94 Proceedings, Boston, 1994. 
 
Figure I.41 courtesy of Lawrence Erlbaum Associates, from 1993 Proceedings of World Congress on Neural Networks.
               
Figures I.49-50 from Goodman, D. Danny Goodman's Hypercard Handbook. Copyright Random House, Inc.

Figure I.51 courtesy of IEEE, from Conklin, J. A Survey of Hypertext. MCC Technical Report No. STP-356-86, Rev. 2. December 3, 1987. 1987 IEEE.

Figures I.52-54   1989 Association for Computing Machinery, from Utting, K. Yankelovich, N. Context and
orientation in hypermedia networks. ACM Trans. on Office Information Systems 7, no. 1, Jan. 1989.
     
Figures I.57-60   1992 Association for Computing Machinery, from Sarkar, M. Brown, M. Graphical Fish Eye
Views of Graphs. CHI  92 Proceedings, Monterey, May 3-7, 1992.

Figure I.61   1991 Association for Computing Machinery, from Card, S. K. Robertson, G. G. Mackinlay, J. D. The information visualizer, an information workspace. CHI  91 Proceedings, New Orleans, April 27-May 2, 1991.

Figure I.62   1991 Association for Computing Machinery, from Robertson, G. G. Mackinlay, J. D. Card, S. K. Cone trees: Animated 3-D visualizations of hierarchical information. CHI  91 Proceedings, New
Orleans, April 27-May 2, 1991.
     
Figure I.63   1991 Association for Computing Machinery, from Mackinlay, J. D. Robertson, G. G. Card, S. K. The perspective wall: Detail and context smoothly integrated. CHI  91 Proceedings, New Orleans,
April 27-May 2, 1991.

Figures I.64, II.10 courtesy of Microsoft Corporation.
     
Figures I.64(a,b) courtesy of F. Lu'is Neves and J. N. Oliveira, Algoritmi Research Center, University of Minho, Portugal.
     
Figures I.65-66 courtesy of Prof. Celia G. Ralha and Prof. Anthony G. Cohn, Division of Artificial Intelligence, School of Computer Science, University of Leeds, U.K., from Building maps of hyperspace.
WWW National Conference, Internet Multimedia Information  95 Proceedings, Minho, Portugal, July 6-8, 1995.
     
Figure I.67 courtesy of Tamara Munzner, Dept.  of Computer Science, Stanford University , and Dr. Paul Burchard, Dept. of Computer Science, Princeton University, from VRML  95 Proceedings, San Diego, December 14-15, special issue of Computer Graphics, ACM SIGGRAPH, New York, 1995.
     
Figures I.68-70, III.3 courtesy of Georgia Tech Web Server.  I.68-70 reproduced with permission of Sougata
Mukherjea, GVU Center, Georgia Institute of Technology. Copyright 1996.
     
Figure I.71 Copyright   NetCarta Corporation.
     
Figures  I.72-73, I.75-76 and Table 1.3 from Laurel, B. The Art of Human-Computer Interface Design (figures 1, 2, 6, and 12 from pages 360, 365, 370, and 376).   1990 by Apple Computer, Inc. Reprinted by
permission of Addison-Wesley Longman Publishing Company, Inc.
     
Figures I.74, II.17, II.33-37, III.1, IV.1, IV.3(a-e), IV.6(a), IV.6(b-h), V.2, V.8-9   Apple Computer, Inc.  All rights reserved.  Apple and Macintosh  are registered trademarks of Apple Computer, Inc.

Figure I.77 courtesy of Dr. Pattie Maes, MIT Media Lab, Cambridge, MA.

Figures I.78-80   1988 Association for Computing Machinery, from Lai, K. Malone, T. W. Yu, K. Object lens: A "spreadsheet" for cooperative work. ACM Trans. On Office Information Systems, 6, no. 4, October, 1988.
     
Figure II.1 courtesy of IEEE Education Society, from Gloor, P. Dynes, S. Animated algorithms: Teaching computer science with hypermedia learning environments. Proc. IEEE Conference on Frontiers in
Education FIE 1993, Washington, 1993.
     
Figures II.16(a), V.13, V.14(a), V.15(a), V.20(a), V.21(a) courtesy of Dartmouth Experimental Visualization Laboratory (DEVLAB) and Addison-Wesley Interactive.
     
Figures II.25(a), II.26(a) from Goodman, D. Danny Goodman's Applescript Handbook, 2nd Edition. Copyright  
Random House, Inc.

Figures II.38-39 courtesy of Dr. Glorianna Davenport, MIT Media Lab, Cambridge, MA. 1988 MIT Media Lab.

Figures II.41-43, II.45-47 courtesy of Dr. Chris Langmead, Department of Computer Science, Dartmouth College, Hanover, NH.
     
Figure III.2 courtesy of Marc H. Brown.
     
Figure III.4 courtesy of Prof. Gruia-Catalin Roman, Dept. of Computer Science, Washington University, St. Louis, MO.
     
Figure III.27 courtesy of MIT Press, from Brown, M.H. Algorithm Animation. MIT Press, Cambridge, MA. 1988.    
Figure IV.1 courtesy of Adobe Systems Incorporated.  Adobe  and Adobe Premiere are trademarks of Adobe
Systems Incorporated.

Figure IV.5 courtesy of Elsevier Science-NL, from Nagasaka, A. Tanaka, Y. Automatic video indexing and full-video search for object appearances. IFIP Transactions A (Computer Science and Technology) A-7, 1992.
     
Figures V.2-3, V.4(a,b), V.5(a,b), V.6, V.7(a,b), V.8-10 courtesy of Dartmouth Experimental Visualization
Laboratory (DEVLAB), TELOS and Springer-Verlag.
     
Figures V.11, V.12(a,b) courtesy of Dartmouth Experimental Visualization Laboratory (DEVLAB).
     
Figures V.16-18 courtesy of Dr. Tim Berners-Lee, Dartmouth Experimental Visualization Laboratory (DEVLAB)
and Addison-Wesley Interactive.

Figure V.19(a) courtesy of Dr. Tim Berners-Lee.