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Paulo J. Santos

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Publication statistics

Pub. period:1992-1997
Pub. count:5
Number of co-authors:7

Co-authors

Number of publications with 3 favourite co-authors:

Albert N. Badre:4
Michael S. Miller:1
Scott E. Hudson:1

Productive colleagues

Paulo J. Santos's 3 most productive colleagues in number of publications:

Scott E. Hudson:113
Albert N. Badre:22
Richard L. Hennema..:5

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May 20

CTS 2013 - The 2013 Intl. Conf. on Collaboration Techn. and Systems

May 22

Knowing (by) Designing 2013

May 27

13th Intl. Conf. on New Interfaces for Musical Expression

May 18

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Paulo J. Santos

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Publications by Paulo J. Santos (bibliography)

1997

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Santos, Paulo J., Kiris, Esin O. and Coyle, Cheryl L. (1997): Designing as the World Turns. In: Proceedings of DIS97: Designing Interactive Systems: Processes, Practices, Methods, & Techniques 1997. pp. 315-321.

“Designers of interactive systems often work in environments that are continuously changing. External, uncontrollable change is rapidly becoming a daily impediment in many designers' lives. In this age of rapid technological progression and heightened competition, systems designers must be able to prepare for, cope with, and even perform better because of inevitable change. Because the nature of user interface design is to make complicated technology usable, user interface designers are especially affected by design changes. This paper is a chronicle of the adventures of three user interface designers while working on the design of an interactive system within a changing domain. We describe the kinds of changes that affect design, the impact of change on the design process, how a designer can prepare for change, and finally, how to respond to change. By sharing our experiences on a project fraught with change, we hope to help other designers learn to work well within a changing design environment.”

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Santos, Paulo J. and Badre, Albert N. (1997): Discount Usability Engineering. In: Smith, Michael J., Salvendy, Gavriel and Koubek, Richard J. (eds.) HCI International 1997 - Proceedings of the Seventh International Conference on Human-Computer Interaction - Volume 2 August 24-29, 1997, San Francisco, California, USA. pp. 173-176.

1994

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Badre, Albert N., Hudson, Scott E. and Santos, Paulo J. (1994): Sychronizing Video and Event Logs for Usability Studies. In: Advanced Visual Interfaces 1994 1994. pp. 222-224.

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Santos, Paulo J. and Badre, Albert N. (1994): Automatic Chunk Detection in Human-Computer Interaction. In: Advanced Visual Interfaces 1994 1994. pp. 69-77.

1992

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Santos, Paulo J., Baltzer, Amy J., Badre, Albert N., Henneman, Richard L. and Miller, Michael S. (1992): On Handwriting Recognition System Performance: Some Experimental Results. In: Proceedings of the Human Factors Society 36th Annual Meeting 1992. pp. 283-287.

“Performance of a rule-based handwriting recognition system is considered. Performance limits of such systems are defined by the robustness of the character templates and the ability of the system to segment characters. Published performance figures, however, are typically based on pre-segmented characters. Six experiments are reported (using a total of 128 subjects) that tested a state-of-the-art recognition system under more realistic conditions. Variables investigated include display format (grid, lined, and blank), surface texture, feedback (location and time delay), amount of training, practice, and effects of use over an extended period. Results indicated that novice users writing on a lined display (the most preferred format) averaged 57% recognition performance. By giving subjects continuous feedback of results, training, and after about 10 minutes of use, the system averaged 90.6% character recognition. Following three hours of interrupted use and with performance incentives, subjects achieved an average 96.8% accuracy with the system. Future work should focus on improving the ability of the recognition algorithm to segment characters and on developing non-obtrusive interaction techniques to train users, to provide feedback and to correct mis-recognized characters.”

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