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» Performance evaluation of software architectures
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IWCMC
2006
ACM
16 years 8 days ago
Voice capacity under quality constraints for IEEE 802.11a based WLANs
The communication of voice over wireless local area networks (WLANs) is influenced by the choice of speech codec, packetization interval and PHY layer bit rates. These choices aï...
Niranjan Shetty, Sayantan Choudhury, Jerry D. Gibs...
CCS
2003
ACM
15 years 11 months ago
Using graphic turing tests to counter automated DDoS attacks against web servers
We present WebSOS, a novel overlay-based architecture that provides guaranteed access to a web server that is targeted by a denial of service (DoS) attack. Our approach exploits t...
William G. Morein, Angelos Stavrou, Debra L. Cook,...
MOBICOM
2010
ACM
15 years 6 months ago
Directional antenna diversity for mobile devices: characterizations and solutions
We report a first-of-its-kind realization of directional transmission for smartphone-like mobile devices using multiple passive directional antennas, supported by only one RF chai...
Ardalan Amiri Sani, Lin Zhong, Ashutosh Sabharwal
DEBS
2011
ACM
14 years 9 months ago
Declarative data-driven coordination
Many data-driven social and Web applications involve collaboration and coordination. The vision of declarative data-driven coordination (D3C), proposed in [9], is to support coord...
Johannes Gehrke
AAAI
2008
15 years 8 months ago
RADAR: A Personal Assistant that Learns to Reduce Email Overload
Email client software is widely used for personal task management, a purpose for which it was not designed and is poorly suited. Past attempts to remedy the problem have focused o...
Michael Freed, Jaime G. Carbonell, Geoffrey J. Gor...