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MSV
2004
13 years 9 months ago
S(b)-Trees: An Optimal Balancing of Variable Length Keys
The paper studies the problem of maintaining external dynamic dictionaries with variable length keys. We introduce a new type of balanced trees, called S(b)-trees, which generaliz...
Konstantin V. Shvachko
STOC
2007
ACM
134views Algorithms» more  STOC 2007»
14 years 8 months ago
Hardness of routing with congestion in directed graphs
Given as input a directed graph on N vertices and a set of source-destination pairs, we study the problem of routing the maximum possible number of source-destination pairs on pat...
Julia Chuzhoy, Venkatesan Guruswami, Sanjeev Khann...
WIOPT
2011
IEEE
12 years 11 months ago
Network utility maximization over partially observable Markovian channels
Abstract—This paper considers maximizing throughput utility in a multi-user network with partially observable Markov ON/OFF channels. Instantaneous channel states are never known...
Chih-Ping Li, Michael J. Neely
INFOCOM
2009
IEEE
14 years 2 months ago
Topology Formation for Wireless Mesh Network Planning
—Wireless mesh networks are becoming prevalent in providing access infrastructure to the public. Design of such networks involve several important goals including resilience to f...
Chun-cheng Chen, Chandra Chekuri, D. Klabjan
GECCO
2006
Springer
154views Optimization» more  GECCO 2006»
13 years 11 months ago
Emergent mating topologies in spatially structured genetic algorithms
The application of network analysis to emergent mating topologies in spatially structured genetic algorithms is presented in this preliminary study as a framework for inferring ev...
Joshua L. Payne, Margaret J. Eppstein