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EUROPAR
2006
Springer
15 years 10 months ago
Creating and Maintaining Replicas in Unstructured Peer-to-Peer Systems
Abstract. In peer-to-peer systems, replication is an important issue as it improves search performance and data availability. It has been shown that optimal replication is attained...
Elias Leontiadis, Vassilios V. Dimakopoulos, Evagg...
EDBT
2012
ACM
228views Database» more  EDBT 2012»
13 years 9 months ago
Towards scalable data integration under constraints
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
George Konstantinidis, José Luis Ambite
GLOBECOM
2006
IEEE
16 years 16 days ago
Sum Rate Maximization and Transmit Power Minimization for Multi-User Orthogonal Space Division Multiplexing
—We demonstrate that receive antenna selection (RAS) provides significant increase in the achievable sum rates for multi-user MIMO wireless downlinks that employ block diagonaliz...
Boon Chin Lim, Christian Schlegel, Witold A. Krzym...
KDD
2008
ACM
172views Data Mining» more  KDD 2008»
16 years 6 months ago
Structured metric learning for high dimensional problems
The success of popular algorithms such as k-means clustering or nearest neighbor searches depend on the assumption that the underlying distance functions reflect domain-specific n...
Jason V. Davis, Inderjit S. Dhillon
CVPR
2008
IEEE
16 years 8 months ago
Graph-shifts: Natural image labeling by dynamic hierarchical computing
In this paper, we present a new approach for image labeling based on the recently introduced graph-shifts algorithm. Graph-shifts is an energy minimization algorithm that does lab...
Jason J. Corso, Alan L. Yuille, Zhuowen Tu