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  • Influence
An Assessment of Intrinsic and Extrinsic Motivation on Task Performance in Crowdsourcing Markets
Crowdsourced labor markets represent a powerful new paradigm for accomplishing work. Understanding the motivating factors that lead to high quality work could have significant benefits. However,Expand
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AWARE: Mobile Context Instrumentation Framework
We present a mobile instrumentation toolkit, AWARE, an open-source effort to develop an extensible and reusable platform for capturing, inferring, and generating context on mobile devices. MobileExpand
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Multipurpose Interactive Public Displays in the Wild: Three Years Later
Extended research on interactive public displays deployed in a city center reveals differences between the public's stated information needs and their actual information behavior and highlightsExpand
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CHI 1994-2013: mapping two decades of intellectual progress through co-word analysis
This study employs hierarchical cluster analysis, strategic diagrams and network analysis to map and visualize the intellectual landscape of the CHI conference on Human Computer Interaction throughExpand
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An empirical investigation of mobile government adoption in rural China: A case study in Zhejiang province
Abstract This study is among the first attempts to empirically investigate the adoption of mobile government by rural populations in developing economies. Based on 409 validated questionnairesExpand
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The phone lock: audio and haptic shoulder-surfing resistant PIN entry methods for mobile devices
Tangible user interfaces are portals to digital information. In the future, securing access to such material will be an important concern. This paper describes the design, implementation andExpand
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Instrumenting the City: Developing Methods for Observing and Understanding the Digital Cityscape
We approach the design of ubiquitous computing systems in the urban environment as integral to urban design. To understand the city as a system encompassing physical and digital forms and theirExpand
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What makes you click: exploring visual signals to entice interaction on public displays
Most studies take for granted the critical first steps that prelude interaction with a public display: awareness of the interactive affordances of the display, and enticement to interact. In thisExpand
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Understanding Human-Smartphone Concerns: A Study of Battery Life
This paper presents a large, 4-week study of more than 4000 people to assess their smartphone charging habits to identify timeslots suitable for opportunistic data uploading and power intensiveExpand
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CrisisTracker: Crowdsourced social media curation for disaster awareness
Victims, volunteers, and relief organizations are increasingly using social media to report and act on large-scale events, as witnessed in the extensive coverage of the 2010-2012 Arab SpringExpand
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