1818 search results - page 138 / 364 » How users use access control |
CCS
2011
ACM
12 years 9 months ago
2011
ACM
We extend Goldberg’s multi-server information-theoretic private information retrieval (PIR) with a suite of protocols for privacypreserving e-commerce. Our first protocol adds ...
CHI
2006
ACM
14 years 9 months ago
2006
ACM
We explore how the placement of control widgets (such as menus) affects collaboration and usability for co-located tabletop groupware applications. We evaluated two design alterna...
CHI
2011
ACM
13 years 27 days ago
2011
ACM
We introduce dynamic physical properties as an additional degree of freedom for passive tabletop controls. Using electromagnetic actuation, we manipulate attributes of tangibles o...
SOSP
1989
ACM
13 years 10 months ago
1989
ACM
Shared-memory multiprocessors are frequently used in a timesharing style with multiple parallel applications executing at the same time. In such an environment, where the machine ...
TIP
2010
13 years 4 months ago
2010
We propose the concept of a generalized assorted pixel (GAP) camera, which enables the user to capture a single image of a scene and, after the fact, control the tradeoff between s...