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112
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TMC
2010
14 years 8 months ago
2010
—One important application of cooperative communications is to extend coverage area in wireless networks without increasing infrastructure. However, a crucial challenge in implem...
WIOPT
2010
IEEE
14 years 8 months ago
2010
IEEE
—In this paper we study the influence of using hub nodes to relay messages in human-based delay tolerant networks (DTNs), by analyzing empirical traces obtained by human mobilit...
STOC
2003
ACM
15 years 10 months ago
2003
ACM
The problem of cooperatively performing a set of t tasks in a decentralized setting where the computing medium is subject to failures is one of the fundamental problems in distrib...
162
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SIGMOD
2008
ACM
15 years 10 months ago
2008
ACM
The proliferation of network data in various application domains has raised privacy concerns for the individuals involved. Recent studies show that simply removing the identities ...
GRID
2005
Springer
15 years 3 months ago
2005
Springer
— Access control in computational grids is typically provided by a combination of identity certificates and local accounts. This approach does not scale as the number of users a...