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JPDC
2006
253views more  JPDC 2006»
15 years 1 months ago
Collaborative detection and filtering of shrew DDoS attacks using spectral analysis
This paper presents a new spectral template-matching approach to countering shrew distributed denial-of-service (DDoS) attacks. These attacks are stealthy, periodic, pulsing, and ...
Yu Chen, Kai Hwang
DDECS
2006
IEEE
79views Hardware» more  DDECS 2006»
15 years 8 months ago
Multiple-Vector Column-Matching BIST Design Method
- Extension of a BIST design algorithm is proposed in this paper. The method is based on a synthesis of a combinational block - the decoder, transforming pseudo-random code words i...
Petr Fiser, Hana Kubatova
SIGMOD
2007
ACM
157views Database» more  SIGMOD 2007»
16 years 2 months ago
Compiling mappings to bridge applications and databases
Translating data and data access operations between applications and databases is a longstanding data management problem. We present a novel approach to this problem, in which the...
Sergey Melnik, Atul Adya, Philip A. Bernstein
ARITH
2005
IEEE
15 years 3 months ago
Error-Free Computation of 8x8 2-D DCT and IDCT Using Two-Dimensional Algebraic Integer Quantization
This paper presents a novel error-free (infinite-precision) architecture for the fast implementation of both 2-D Discrete Cosine Transform and Inverse DCT. The architecture uses a...
Khan Wahid, Vassil S. Dimitrov, Graham A. Jullien
STOC
2009
ACM
271views Algorithms» more  STOC 2009»
16 years 2 months ago
A fast and efficient algorithm for low-rank approximation of a matrix
The low-rank matrix approximation problem involves finding of a rank k version of a m ? n matrix AAA, labeled AAAk, such that AAAk is as "close" as possible to the best ...
Nam H. Nguyen, Thong T. Do, Trac D. Tran