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CORR
2012
Springer
218views Education» more  CORR 2012»
7 years 9 months ago
On the Hardness of Welfare Maximization in Combinatorial Auctions with Submodular Valuations
We present a new type of monotone submodular functions: multi-peak submodular functions. Roughly speaking, given a family of sets F, we construct a monotone submodular function f ...
Shahar Dobzinski, Jan Vondrák
CORR
2011
Springer
148views Education» more  CORR 2011»
8 years 8 months ago
Modeling the pairwise key distribution scheme in the presence of unreliable links
Abstract— We investigate the secure connectivity of wireless sensor networks under the pairwise key distribution scheme of Chan et al.. Unlike recent work which was carried out u...
Osman Yagan, Armand M. Makowski
CN
2000
82views more  CN 2000»
9 years 1 months ago
I-Views: a community-oriented system for sharing streaming video on the Internet
Streaming media is pervasive on the Internet now and is continuing to grow rapidly. Most streaming media systems have adopted the model of broadcast. Unfortunately, the nature of ...
Pengkai Pan, Glorianna Davenport
IJSNET
2007
101views more  IJSNET 2007»
9 years 1 months ago
Some problems of directional sensor networks
Abstract: Wireless sensor networks are often based on omni-sensing and communication models. In contrast, in this paper, we investigate sensor networks with directional sensing and...
Huadong Ma, Yonghe Liu
CORR
2010
Springer
152views Education» more  CORR 2010»
9 years 1 months ago
Deploying Wireless Networks with Beeps
Abstract. We present the discrete beeping communication model, which assumes nodes have minimal knowledge about their environment and severely limited communication capabilities. S...
Alejandro Cornejo, Fabian Kuhn
PEWASUN
2008
ACM
9 years 2 months ago
Communication models for throughput optimization in mesh networks
There has been extensive research focused on maximizing the throughput of wireless networks in general and mesh networks in particular. Recently, techniques have been developed th...
Stephan Bohacek, Peng Wang
EMSOFT
2001
Springer
9 years 6 months ago
A Network-Centric Approach to Embedded Software for Tiny Devices
The ability to incorporate low-power, wireless communication into embedded devices gives rise to a new genre of embedded software that is distributed, dynamic, and adaptive. This p...
David E. Culler, Jason L. Hill, Philip Buonadonna,...
TRUSTBUS
2004
Springer
9 years 6 months ago
Large-Scale Pay-As-You-Watch for Unicast and Multicast Communications
This paper addresses the problem of pay-as-you-watch services over unicast and multicast communications. For each communication model, we present two solutions, non-verifiable and...
Antoni Martínez-Ballesté, Francesc S...
PVM
2007
Springer
9 years 7 months ago
Optimization of Collective Communications in HeteroMPI
Abstract. HeteroMPI is an extension of MPI designed for high performance computing on heterogeneous networks of computers. The recent new feature of HeteroMPI is the optimized vers...
Alexey L. Lastovetsky, Maureen O'Flynn, Vladimir R...
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