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ASSETS
2008
ACM
13 years 9 months ago
2008
ACM
We describe a system for guiding blind and visually impaired wheelchair users along a clear path that uses computer vision to sense the presence of obstacles or other terrain feat...
PETRA
2010
ACM
13 years 7 months ago
2010
ACM
Acquisition of pervasive sensor data can be often unsuccessful due to power outage at nodes, time synchronization issues, interference, network transmission failures or sensor har...
TASLP
2008
13 years 7 months ago
2008
Full duplex hands-free man/machine interface often suffers from directional non-stationary interference (such as a competing speaker or an echo signal) as well as a stationary int...
JAIR
2007
13 years 7 months ago
2007
Matchmaking arises when supply and demand meet in an electronic marketplace, or when agents search for a web service to perform some task, or even when recruiting agencies match c...
SAC
2008
ACM
13 years 7 months ago
2008
ACM
Total Order Broadcast protocols are important tools to ensure coherence across distributed systems. Contrarily to classical distributed systems, pervasive systems bring important ...