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ICALP
2007
Springer
14 years 6 months ago
Streaming and Fully Dynamic Centralized Algorithms for Constructing and Maintaining Sparse Spanners
We present a streaming algorithm for constructing sparse spanners and show that our algorithm out-performs significantly the state-of-the-art algorithm for this task [20]. Speci...
Michael Elkin
ICALP
2007
Springer
14 years 6 months ago
An Optimal Decomposition Algorithm for Tree Edit Distance
Abstract. The edit distance between two ordered rooted trees with vertex labels is the minimum cost of transforming one tree into the other by a sequence of elementary operations c...
Erik D. Demaine, Shay Mozes, Benjamin Rossman, Ore...
ICA3PP
2007
Springer
14 years 6 months ago
An Efficient Source Peer Selection Algorithm in Hybrid P2P File Sharing Systems
We propose a source peer selection algorithm which efficiently chooses peers as sources from a set of peers having the requested file in a hybrid P2P file sharing system. Our propo...
Jingyuan Li, Weijia Jia, Liusheng Huang, Mingjun X...
ICA
2007
Springer
14 years 6 months ago
Robust Independent Component Analysis Using Quadratic Negentropy
We present a robust algorithm for independent component analysis that uses the sum of marginal quadratic negentropies as a dependence measure. It can handle arbitrary source densit...
Jaehyung Lee, Taesu Kim, Soo-Young Lee
ICA
2007
Springer
14 years 6 months ago
Blind Instantaneous Noisy Mixture Separation with Best Interference-Plus-Noise Rejection
Abstract. In this paper, a variant of the well known algorithm FastICA is proposed to be used for blind source separation in off-line (block processing) setup and a noisy environm...
Zbynek Koldovský, Petr Tichavský
ICA
2007
Springer
14 years 6 months ago
Sparse Component Analysis in Presence of Noise Using an Iterative EM-MAP Algorithm
Abstract. In this paper, a new algorithm for source recovery in underdetermined Sparse Component Analysis (SCA) or atomic decomposition on over-complete dictionaries is presented i...
Hadi Zayyani, Massoud Babaie-Zadeh, G. Hosein Mohi...
ICA
2007
Springer
14 years 6 months ago
Dictionary Learning for L1-Exact Sparse Coding
We have derived a new algorithm for dictionary learning for sparse coding in the ℓ1 exact sparse framework. The algorithm does not rely on an approximation residual to operate, b...
Mark D. Plumbley
IBPRIA
2007
Springer
14 years 6 months ago
Estimation of Multiple Objects at Unknown Locations with Active Contours
Abstract. This paper presents an algorithm for the estimation of multiple regions with unknown shapes and positions using multiple active contour models (ACM’s). The algorithm or...
Margarida Silveira, Jorge S. Marques
HPCC
2007
Springer
14 years 6 months ago
An Adaptive Parallel Hierarchical Clustering Algorithm
Clustering of data has numerous applications and has been studied extensively. It is very important in Bioinformatics and data mining. Though many parallel algorithms have been des...
Zhaopeng Li, Kenli Li, Degui Xiao, Lei Yang
GRID
2007
Springer
14 years 6 months ago
Grid-based asynchronous replica exchange
— Replica exchange is a powerful sampling algorithm and can be effectively used for applications such as simulating the structure, function, folding, and dynamics of proteins and...
Zhen Li, Manish Parashar