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COCO
2000
Springer
123views Algorithms» more  COCO 2000»
15 years 6 months ago
A Lower Bound for the Shortest Path Problem
We show that the Shortest Path Problem cannot be solved in o(log n) time on an unbounded fan-in PRAM without bit operations using poly(n) processors even when the bit-lengths of t...
Ketan Mulmuley, Pradyut Shah
ICNP
2009
IEEE
15 years 8 months ago
oCast: Optimal Multicast Routing Protocol for Wireless Sensor Networks
—In this paper, we describe oCast, an energy-optimal multicast routing protocol for wireless sensor networks. The general minimum-energy multicast problem is NP-hard. Intermitten...
Lu Su, Bolin Ding, Yong Yang, Tarek F. Abdelzaher,...
TON
2008
239views more  TON 2008»
15 years 1 months ago
Characterization of failures in an operational IP backbone network
Abstract--As the Internet evolves into a ubiquitous communication infrastructure and supports increasingly important services, its dependability in the presence of various failures...
Athina Markopoulou, Gianluca Iannaccone, Supratik ...
SOCIALCOM
2010
14 years 11 months ago
The Dynamics of Two Cognitive Heuristics for Coordination on Networks
Abstract--This paper is about how groups solve global coordination problems such as the distributed graph coloring problem. We focused on scenarios in which agents are not able to ...
Iyad Rahwan, Fatemeh Jahedpari, Sherief Abdallah
SECON
2008
IEEE
15 years 8 months ago
Understanding Radio Irregularity in Wireless Networks
— In an effort to better understand connectivity and capacity in wireless networks, the log-normal shadowing radio propagation model is used to capture radio irregularities and o...
Torsten Muetze, Patrick Stuedi, Fabian Kuhn, Gusta...