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» On the Values of Reducibility Candidates
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JSAC
2006
165views more  JSAC 2006»
15 years 6 months ago
ALPi: A DDoS Defense System for High-Speed Networks
Distributed denial-of-service (DDoS) attacks pose a significant threat to the Internet. Most solutions proposed to-date face scalability problems as the size and speed of the netwo...
P. E. Ayres, H. Sun, H. Jonathan Chao, Wing Cheong...
SIAMSC
2008
179views more  SIAMSC 2008»
15 years 6 months ago
Multigrid Algorithms for Inverse Problems with Linear Parabolic PDE Constraints
Abstract. We present a multigrid algorithm for the solution of distributed parameter inverse problems constrained by variable-coefficient linear parabolic partial differential equa...
Santi S. Adavani, George Biros
TPDS
2010
174views more  TPDS 2010»
15 years 4 months ago
Parallel Two-Sided Matrix Reduction to Band Bidiagonal Form on Multicore Architectures
The objective of this paper is to extend, in the context of multicore architectures, the concepts of tile algorithms [Buttari et al., 2007] for Cholesky, LU, QR factorizations to t...
Hatem Ltaief, Jakub Kurzak, Jack Dongarra
ICDE
2010
IEEE
178views Database» more  ICDE 2010»
15 years 4 months ago
The Hybrid-Layer Index: A synergic approach to answering top-k queries in arbitrary subspaces
In this paper, we propose the Hybrid-Layer Index (simply, the HL-index) that is designed to answer top-k queries efficiently when the queries are expressed on any arbitrary subset ...
Jun-Seok Heo, Junghoo Cho, Kyu-Young Whang
TKDE
2010
197views more  TKDE 2010»
15 years 1 months ago
Filtering Data Streams for Entity-Based Continuous Queries
The idea of allowing query users to relax their correctness requirements in order to improve performance of a data stream management system (e.g., location-based services and senso...
Reynold Cheng, Benjamin C. M. Kao, Alan Kwan, Suni...