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TIT
2010
96views Education» more  TIT 2010»
13 years 3 months ago
Beyond Nyquist: efficient sampling of sparse bandlimited signals
Wideband analog signals push contemporary analog-to-digital conversion systems to their performance limits. In many applications, however, sampling at the Nyquist rate is inefficie...
Joel A. Tropp, Jason N. Laska, Marco F. Duarte, Ju...
WWW
2007
ACM
14 years 9 months ago
AutoPerf: an automated load generator and performance measurement tool for multi-tier software systems
We present a load generator and performance measurement tool (AutoPerf ) which requires minimal input and configuration from the user, and produces a comprehensive capacity analys...
Shrirang Sudhir Shirodkar, Varsha Apte
EDBT
2009
ACM
124views Database» more  EDBT 2009»
14 years 3 months ago
A sequential indexing scheme for flash-based embedded systems
NAND Flash has become the most popular stable storage medium for embedded systems. As on-board storage capacity increases, the need for efficient indexing techniques arises. Such ...
Shaoyi Yin, Philippe Pucheral, Xiaofeng Meng
HYBRID
2009
Springer
14 years 3 months ago
Event-Triggering in Distributed Networked Systems with Data Dropouts and Delays
This paper studies distributed networked systems with data dropouts and transmission delays. We propose a decentralized eventtriggering scheme, where a subsystem broadcasts its sta...
Xiaofeng Wang, Michael D. Lemmon
SP
2009
IEEE
123views Security Privacy» more  SP 2009»
14 years 3 months ago
DSybil: Optimal Sybil-Resistance for Recommendation Systems
Recommendation systems can be attacked in various ways, and the ultimate attack form is reached with a sybil attack, where the attacker creates a potentially unlimited number of s...
Haifeng Yu, Chenwei Shi, Michael Kaminsky, Phillip...