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J. I. Helfman

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Publications by J. I. Helfman (bibliography)

1998

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Hightower, Ron R., Ring, Laura T., Helfman, J. I., Bederson, Benjamin B. and Hollan, James D. (1998): PadPrints: Graphical Multiscale Web Histories. In: Mynatt, Elizabeth D. and Jacob, Robert J. K. (eds.) Proceedings of the 11th annual ACM symposium on User interface software and technology November 01 - 04, 1998, San Francisco, California, United States. pp. 121-122.

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Hightower, Ron R., Ring, Laura T., Helfman, J. I., Bederson, Benjamin B. and Hollan, James D. (1998): Graphical Multiscale Web Histories: A Study of PadPrints. In: Hypertext 98 - Proceedings of the Ninth ACM Conference on Hypertext and Hypermedia June 20-24, 1998, Pittsburgh, PA, USA. pp. 58-65.

“We have implemented a browser companion called PadPrints that dynamically builds a graphical history-map of visited web pages. PadPrints relies on Pad++, a zooming user interface (ZUI) development substrate, to display the history-map using minimal screen space. PadPrints functions in conjunction with a traditional web browser but without requiring any browser modifications. We performed two usability studies of PadPrints. The first addressed general navigation effectiveness. The second focused on history-related aspects of navigation. In tasks requiring returns to prior pages, users of PadPrints completed tasks in 61.2% of the time required by users of the same browser without PadPrints. We also observed significant decreases in the number of pages accessed when using PadPrints. Users found browsing with PadPrints more satisfying than using Netscape alone.”

1987

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Helfman, J. I. (1987): Panther: A specification system for graphical controls. In: Graphics Interface 87 (CHI+GI 87) April 5-9, 1987, Toronto, Ontario, Canada. pp. 279-284.

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