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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,...
RTSS
1997
IEEE
15 years 10 months ago
More optimism about real-time distributed commit processing
In [6], we proposed a new commit protocol, OPT, specially designed for use in distributed firm-deadline real-time database systems. OPT allows transactions to “optimistically...
Ramesh Gupta, Jayant R. Haritsa, Krithi Ramamritha...
ICPADS
2010
IEEE
15 years 4 months ago
Enhancing MapReduce via Asynchronous Data Processing
The MapReduce programming model simplifies large-scale data processing on commodity clusters by having users specify a map function that processes input key/value pairs to generate...
Marwa Elteir, Heshan Lin, Wu-chun Feng
ICC
2007
IEEE
127views Communications» more  ICC 2007»
15 years 10 months ago
Spectral Efficiency of Channel-Aware Schedulers in Non-Identical Composite Links with Interference
Accurate system planning and performance evaluation requires knowledge of the joint impact of scheduling, interference, and fading. However, current analyses either require costly...
Jingxian Wu, Neelesh B. Mehta, Andreas F. Molisch,...
DEXA
2008
Springer
132views Database» more  DEXA 2008»
15 years 8 months ago
Efficient Updates for Continuous Skyline Computations
We address the problem of maintaining continuous skyline queries efficiently over dynamic objects with d dimensions. Skyline queries are an important new search capability for mult...
Yu-Ling Hsueh, Roger Zimmermann, Wei-Shinn Ku