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Ferdi Adeputra

 

Publications by Ferdi Adeputra (bibliography)

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2010
 
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Bragdon, Andrew, Zeleznik, Robert, Reiss, Steven P., Karumuri, Suman, Cheung, William, Kaplan, Joshua, Coleman, Christopher, Adeputra, Ferdi and LaViola, Joseph J. (2010): Code bubbles: a working set-based interface for code understanding and maintenance. In: Proceedings of ACM CHI 2010 Conference on Human Factors in Computing Systems 2010. pp. 2503-2512. Available online

Developers spend significant time reading and navigating code fragments spread across multiple locations. The file-based nature of contemporary IDEs makes it prohibitively difficult to create and maintain a simultaneous view of such fragments. We propose a novel user interface metaphor for code understanding based on collections of lightweight, editable fragments called bubbles, which form concurrently visible working sets. We present the results of a qualitative usability evaluation, and the results of a quantitative study which indicates Code Bubbles significantly improved code understanding time, while reducing navigation interactions over a widely-used IDE, for two controlled tasks.

© All rights reserved Bragdon et al. and/or their publisher

 
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Zeleznik, Robert, Bragdon, Andrew, Adeputra, Ferdi and Ko, Hsu-Sheng (2010): Hands-on math: a page-based multi-touch and pen desktop for technical work and problem solving. In: Proceedings of the 2010 ACM Symposium on User Interface Software and Technology 2010. pp. 17-26. Available online

Students, scientists and engineers have to choose between the flexible, free-form input of pencil and paper and the computational power of Computer Algebra Systems (CAS) when solving mathematical problems. Hands-On Math is a multi-touch and pen-based system which attempts to unify these approaches by providing virtual paper that is enhanced to recognize mathematical notations as a means of providing in situ access to CAS functionality. Pages can be created and organized on a large pannable desktop, and mathematical expressions can be computed, graphed and manipulated using a set of uni- and bi-manual interactions which facilitate rapid exploration by eliminating tedious and error prone transcription tasks. Analysis of a qualitative pilot evaluation indicates the potential of our approach and highlights usability issues with the novel techniques used.

© All rights reserved Zeleznik et al. and/or their publisher

 
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