Publication statistics

Pub. period:2001-2014
Pub. count:12
Number of co-authors:22


Number of publications with 3 favourite co-authors:

Jeremy Goecks:
Helen Ai He:
Saul Greenberg:



Productive colleagues

Stephen Voida's 3 most productive colleagues in number of publications:

Saul Greenberg:140
Elizabeth D. Mynat..:71
W. Keith Edwards:62

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Stephen Voida


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Current place of employment:
University of California, Irvine

Stephen Voida is a lecturer and research scientist in the Department of Informatics at the University of California, Irvine. He has a Ph.D. in Computer Science, an M.S. in Human-Computer Interaction, and a certificate in Cognitive Science from the Georgia Institute of Technology and a B.S. in Computer Science from Arizona State University. His research explores the development of novel user interfaces for information management that embrace the potential of emerging technologies but are also grounded in theories of cognition and studies of real-world work practice. His research has been supported by the National Science Foundation; the Computing Research Association; the Natural Science and Engineering Research Council of Canada,; the Alberta Informatics Circle of Research Excellence; SMART Technologies; the U.S. Army Research, Development and Engineering Command; and the Steelcase Company. Contact him at


Publications by Stephen Voida (bibliography)

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Voida, Stephen (2014). Commentary on 'Activity Theory' by Victor Kaptelinin

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Hincapi-Ramos, Juan David, Voida, Stephen and Mark, Gloria (2011): Sharing availability information with InterruptMe. In: Proceedings of the 2011 International Conference on Uniquitous Computing 2011. pp. 477-478.

Workplace collaboration often requires interruptions, which can happen at inopportune times. Sharing availability information can reduce many of these untimely interruptions. However, designing a successful availability-sharing system requires finding the right balance to maximize the benefits and reduce costs for both the interrupter and interruptee. The main challenges for finding such balance lie in the acquisition of availability information from the interruptee and its delivery to the interrupter. In this demonstration, we show how common technical approaches in ubicomp can address some of the problems typically encountered in availability sharing. We present InterruptMe, a novel availability sharing system that uses sensor information to calculate multiple availability measures for each interruptee and that delivers this information in the periphery of the interrupter's attention by using a projected peripheral display and monitoring implicit inputs to the system.

© All rights reserved Hincapi-Ramos et al. and/or ACM Press

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Hincapi-Ramos, Juan David, Voida, Stephen and Mark, Gloria (2011): A design space analysis of availability-sharing systems. In: Proceedings of the 2011 ACM Symposium on User Interface Software and Technology 2011. pp. 85-96.

Workplace collaboration often requires interruptions, which can happen at inopportune times. Designing a successful availability-sharing system requires finding the right balance to optimize the benefits and reduce costs for both the interrupter and interruptee. In this paper, we examine the design space of availability-sharing systems and identify six relevant design dimensions: abstraction, presentation, information delivery, symmetry, obtrusiveness and temporal gradient. We describe these dimensions in terms of the tensions between interrupters and interruptees revealed in previous studies of workplace collaboration and deployments of awareness systems. As a demonstration of the utility of our design space, we introduce InterruptMe, a novel availability-sharing system that represents a previously unexplored point in the design space and that balances the tensions between interrupters and interruptees. InterruptMe differs from previous systems in that it displays availability information only when needed by monitoring implicit inputs from the system's users, implements a traceable asymmetry structure, and introduces the notion of per-communications channel availability.

© All rights reserved Hincapi-Ramos et al. and/or ACM Press

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Voida, Stephen and Mynatt, Elizabeth D. (2009): It feels better than filing: everyday work experiences in an activity-based computing system. In: Proceedings of ACM CHI 2009 Conference on Human Factors in Computing Systems 2009. pp. 259-268.

Activity-based computing represents an alternative to the dominant application- and document-centric model at the foundation of most mainstream desktop computing interfaces. In this paper, we present in-depth results from an in situ, longitudinal study of an activity-based computing system, Giornata. We detail the ways that the specific features of this system influenced the everyday work experiences of a small cohort of knowledge workers. Our analysis provides contributions at several levels of granularity-we provide concrete design recommendations based on participants' reactions to the particular features of the Giornata system and a discussion about how our findings can provide insight about the broader understanding of knowledge work and activity within HCI.

© All rights reserved Voida and Mynatt and/or ACM Press

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Voida, Stephen and Greenberg, Saul (2009): WikiFolders: augmenting the display of folders to better convey the meaning of files. In: Proceedings of ACM CHI 2009 Conference on Human Factors in Computing Systems 2009. pp. 1679-1682.

Hierarchical file systems and file browsers offer powerful capabilities for managing and organizing folders and files. Yet they lack robust tools for annotating and documenting these files-individually or collectively-with descriptive text. In contrast, Web pages and wikis make it easy to create rich and meaningful narratives around digital artifacts, allowing files to be embedded within explanatory text and images. Unfortunately, considerable effort is required to manage files stored on Web servers and to ensure that the published content remains up-to-date. In this note, we describe WikiFolders, a hybrid system for annotating file folders that draws upon the strengths of both the hierarchical file system and wikis.

© All rights reserved Voida and Greenberg and/or ACM Press

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Voida, Stephen, Tobiasz, Matthew, Stromer, Julie, Isenberg, Petra and Carpendale, Sheelagh (2009): Getting practical with interactive tabletop displays: designing for dense data, "fat fingers," diverse interactions, and face-to-face collaboration. In: Proceedings of the 2009 ACM International Conference on Interactive Tabletops and Surfaces 2009. pp. 109-116.

Tabletop displays with touch-based input provide many powerful affordances for directly manipulating and collaborating around information visualizations. However, these devices also introduce several challenges for interaction designers, including discrepancies among the resolutions of the visualization, the tabletop's display, and its sensing technologies; a need to support diverse types of interactions required by different visualization techniques; and the ability to support face-to-face collaboration. As a result, most interactive tabletop applications for working with information currently demonstrate limited functionality and do not approach the power or versatility of their desktop counterparts. We present a series of design considerations, informed by prior interaction design and focus+context visualization research, for ameliorating the challenges inherent in designing practical interaction techniques for tabletop information visualization applications. We then discuss two specific techniques, i-Loupe and iPodLoupe, which illustrate how different choices among these design considerations enable vastly different experiences in working with complex data on interactive surfaces.

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

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Voida, Amy, Voida, Stephen, Greenberg, Saul and He, Helen Ai (2008): Asymmetry in media spaces. In: Proceedings of ACM CSCW08 Conference on Computer-Supported Cooperative Work 2008. pp. 313-322.

In any collaborative system, there are both symmetries and asymmetries present in the design of the technology and in the ways that technology is appropriated. Yet media space research tends to focus more on supporting and fostering the symmetries than the asymmetries. Throughout more than 20 years of media space research, the pursuit of increased symmetry, whether achieved through technical or social means, has been a recurrent theme. The research literature on the use of contemporary awareness systems, in contrast, displays little if any of this emphasis on symmetrical use; indeed, this body of research occasionally highlights the perceived value of asymmetry. In this paper, we unpack the different forms of asymmetry present in both media spaces and contemporary awareness systems. We argue that just as asymmetry has been demonstrated to have value in contemporary awareness systems, so might asymmetry have value in media spaces and in other CSCW systems, more generally. To illustrate, we present a media space that emphasizes and embodies multiple forms of asymmetry and does so in response to the needs of a particular work context.

© All rights reserved Voida et al. and/or ACM Press

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Goecks, Jeremy, Voida, Amy, Voida, Stephen and Mynatt, Elizabeth D. (2008): Charitable technologies: opportunities for collaborative computing in nonprofit fundraising. In: Proceedings of ACM CSCW08 Conference on Computer-Supported Cooperative Work 2008. pp. 689-698.

This paper presents research analyzing the role of computational technology in the domain of nonprofit fundraising. Nonprofits are a cornerstone of many societies and are especially prominent in the United States, where $295 billion, or slightly more than 2% of the U.S. Gross Domestic Product (i.e. total national revenue), was directed toward charitable causes in 2006. Nonprofits afford many worthwhile endeavors, including crisis relief, basic services to those in need, public education and the arts, and preservation of the natural environment. In this paper, we identify six roles that computational technology plays in support of nonprofit fundraising and present two models characterizing technology use in this domain: (1) a cycle of technology-assisted fundraising and (2) a model of relationships among stakeholders in technology-assisted fundraising. Finally, we identify challenges and research opportunities for collaborative computing in the unique and exciting nonprofit fundraising domain.

© All rights reserved Goecks et al. and/or ACM Press

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Voida, Stephen, Mynatt, Elizabeth D. and Edwards, W. Keith (2008): Re-framing the desktop interface around the activities of knowledge work. In: Cousins, Steve B. and Beaudouin-Lafon, Michel (eds.) Proceedings of the 21st Annual ACM Symposium on User Interface Software and Technology October 19-22, 2008, Monterey, CA, USA. pp. 211-220.

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Voida, Stephen, Edwards, W. Keith, Newman, Mark W., Grinter, Rebecca E. and Ducheneaut, Nicolas (2006): Share and share alike: exploring the user interface affordances of file sharing. In: Proceedings of ACM CHI 2006 Conference on Human Factors in Computing Systems 2006. pp. 221-230.

With the rapid growth of personal computer networks and the Internet, sharing files has become a central activity in computer use. The ways in which users control the what, how, and with whom of sharing are dictated by the tools they use for sharing; there are a wide range of sharing practices, and hence a wide range of tools to support these practices. In practice, users' requirements for certain sharing features may dictate their choice of tool, even though the other affordances available through that tool may not be an ideal match to the desired manner of sharing. In this paper, we explore users' current practices in file sharing and examine the tools used to share files. Based on our findings, we unpack the features and affordances of these tools into a set of dimensions along which sharing tools can be characterized. Then, we present the set of user interface features we have prototyped in an interface called a sharing palette, which provides a platform for exploration and experimentation with new modalities of sharing. We briefly present the tool as a whole and then focus on the individual features of the sharing palette that support reported styles of sharing.

© All rights reserved Voida et al. and/or ACM Press

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Voida, Stephen, Podlaseck, Mark, Kjeldsen, Rick and Pinhanez, Claudio (2005): A study on the manipulation of 2D objects in a projector/camera-based augmented reality environment. In: Proceedings of ACM CHI 2005 Conference on Human Factors in Computing Systems 2005. pp. 611-620.

Are the object manipulation techniques traditionally used in head-mounted displays (HMDs) applicable to augmented reality based projection systems? This paper examines the differences between HMD- and projector/camera-based AR interfaces in the light of a manipulation task involving documents and applications projected on common office surfaces such as tables, walls, cabinets, and floor. We report a Wizard of Oz study where subjects were first asked to create gesture/voice commands to move 2D objects on those surfaces and then exposed to gestures created by the authors. Among the options, subjects could select the object to be manipulated using voice command; touching, pointing, and grabbing gesture; or a virtual mouse. The results show a strong preference for a manipulation interface based on pointing gestures using small hand movements and involving minimal body movement. Direct touching of the object was also common when the object being manipulated was within the subjects' arm reach. Based on these results, we expect that the preferred interface resembles, in many ways, the egocentric model traditionally used in AR.

© All rights reserved Voida et al. and/or ACM Press

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MacIntyre, Blair, Mynatt, Elizabeth D., Voida, Stephen, Hansen, Klaus Marius, Tullio, Joe and Corso, Gregory M. (2001): Support for multitasking and background awareness using interactive peripheral displays. In: Marks, Joe and Mynatt, Elizabeth D. (eds.) Proceedings of the 14th annual ACM symposium on User interface software and technology November 11 - 14, 2001, Orlando, Florida. pp. 41-50.

In this paper, we describe Kimura, an augmented office environment to support common multitasking practices. Previous systems, such as Rooms, limit users by constraining the interaction to the desktop monitor. In Kimura, we leverage interactive projected peripheral displays to support the perusal, manipulation and awareness of background activities. Furthermore, each activity is represented by a montage comprised of images from current and past interaction on the desktop. These montages help remind the user of past actions, and serve as a springboard for ambient context-aware reminders and notifications.

© All rights reserved MacIntyre et al. and/or ACM Press

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