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» On the Hardness of Optimization in Power Law Graphs
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STOC
2004
ACM
138views Algorithms» more  STOC 2004»
13 years 10 months ago
Know thy neighbor's neighbor: the power of lookahead in randomized P2P networks
Several peer-to-peer networks are based upon randomized graph topologies that permit efficient greedy routing, e.g., randomized hypercubes, randomized Chord, skip-graphs and const...
Gurmeet Singh Manku, Moni Naor, Udi Wieder
SPAA
2010
ACM
13 years 4 months ago
Scheduling to minimize power consumption using submodular functions
We develop logarithmic approximation algorithms for extremely general formulations of multiprocessor multiinterval offline task scheduling to minimize power usage. Here each proce...
Erik D. Demaine, Morteza Zadimoghaddam
IJWMC
2010
115views more  IJWMC 2010»
13 years 1 months ago
Small-world effects in wireless agent sensor networks
Coverage, fault tolerance and power consumption constraints make optimal placement of mobile sensors or other mobile agents a hard problem. We have developed a model for describin...
Kenneth A. Hawick, Heath A. James
WABI
2007
Springer
139views Bioinformatics» more  WABI 2007»
13 years 10 months ago
Computability of Models for Sequence Assembly
Graph-theoretic models have come to the forefront as some of the most powerful and practical methods for sequence assembly. Simultaneously, the computational hardness of the underl...
Paul Medvedev, Konstantinos Georgiou, Gene Myers, ...
IPPS
2009
IEEE
13 years 11 months ago
Unit disk graph and physical interference model: Putting pieces together
Modeling communications in wireless networks is a challenging task since it asks for a simple mathematical object on which efficient algorithms can be designed, but that must also...
Emmanuelle Lebhar, Zvi Lotker