Douglas Schaffer
| Schaffer, D., Zuo, Z., Greenberg, S., Bartram, L., Dill, J., Dubs, S. and Roseman, M. (1996) Navigating Hierarchically Clustered Networks Through Fisheye and Full-Zoom Methods. ACM Transactions on Computer-Human Interaction - ACM TOCHI, 3(2):162-188. ACM Press, June. | 
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| Schaffer, D. (1995) Visualizing Large, Loosely-Structured, Hierarchical Information Spaces. Master's thesis, Department of Computer Science, University of Calgary, Calgary, Canada, September. Also as Report 1997-602-04. |
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| Schaffer, D., Zuo, Z., Bartram, L., Dill, J., Dubs, S., Greenberg, S. and Roseman, M. (1993) Comparing Fisheye and Full-Zoom Techniques for Navigation of Hierarchically Clustered Networks. In Proceedings of Graphics Interface (GI '93) Morgan-Kaufmann, pages 87-96. Also as Report 1992-491-29, November. |
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| Schaffer, D. and Greenberg, S. (1993) Sifting Through Hierarchical Information. In Proceedings of ACM INTERCHI Conference on Human Factors in Computing Systems -- Adjunct Proceedings, April 24-29. (Amsterdam, The Netherlands), ACM Press, pages 173-174. Earlier version as report 1993-499-04, January. |
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