661 search results - page 93 / 133 » Online Mechanisms |
CHI
2005
ACM
14 years 11 months ago
2005
ACM
There is an asymmetry in many tangible interfaces: while phicons can be used to manipulate digital information, the reverse is often not possible ? the digital world cannot push b...
EDBT
2008
ACM
14 years 11 months ago
2008
ACM
Index trees created using distance based indexing are difficult to maintain online since the distance function involved is often costly to compute. This problem is intensified whe...
SAC
2010
ACM
14 years 5 months ago
2010
ACM
CAPTCHAs protect online resources and services from automated access. From an attacker’s point of view, they are typically perceived as an annoyance that prevents the mass creat...
ESORICS
2009
Springer
14 years 5 months ago
2009
Springer
Abstract. Covert timing channels aim at transmitting hidden messages by controlling the time between transmissions of consecutive payload packets in overt network communication. Pr...
MIDDLEWARE
2009
Springer
14 years 5 months ago
2009
Springer
Abstract. Enterprise-system upgrades are unreliable and often produce downtime or data-loss. Errors in the upgrade procedure, such as broken dependencies, constitute the leading ca...