2399 search results - page 251 / 480 » On Authentication between Human and Computer |
129
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CHI
2009
ACM
16 years 6 months ago
2009
ACM
We conducted a 2.5 week longitudinal study with five motor impaired (MI) and four non-impaired (NMI) participants, in which they learned to use the Vocal Joystick, a voice-based u...
139
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CHI
2004
ACM
16 years 6 months ago
2004
ACM
Today's user is surrounded by mobile appliances that continuously disrupt his activities through instant message, email and phone call notifications. In this paper, we presen...
125
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CHI
2009
ACM
16 years 12 days ago
2009
ACM
For over a century, citizen scientists have volunteered to collect huge quantities of data for professional scientists to analyze. We designed Pathfinder, an online environment th...
154
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CCS
2007
ACM
15 years 11 months ago
2007
ACM
In this paper we propose a new voting protocol with desirable security properties. The voting stage of the protocol can be performed by humans without computers; it provides every...
165
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CHI
2006
ACM
15 years 9 months ago
2006
ACM
The state-of-the-art in computer drawing programs is based on a number of concepts that are over two decades old. One such concept is the use of layers for ordering the surfaces i...