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JACM
2007
115views more  JACM 2007»
13 years 7 months ago
Optimal pants decompositions and shortest homotopic cycles on an orientable surface
We consider the problem of finding a shortest cycle (freely) homotopic to a given simple cycle on a compact, orientable surface. For this purpose, we use a pants decomposition of...
Éric Colin de Verdière, Francis Laza...
COMSWARE
2006
IEEE
14 years 1 months ago
Resource management in heterogenous wireless networks with overlapping coverage
— Development in new radio technologies and increase in user demands are driving the deployment of a wide array of wireless networks, ranging from 802.11 networks in the local ar...
Bin Bin Chen, Mun Choon Chan
WCNC
2008
IEEE
14 years 2 months ago
Connectivity-Aware Network Maintenance via Relays Deployment
— In this paper, we address the network maintenance problem, in which we aim to maximize the lifetime of a sensor network by adding a set of relays to it. The network lifetime is...
Ahmed S. Ibrahim, Karim G. Seddik, K. J. Ray Liu
ESA
2005
Springer
176views Algorithms» more  ESA 2005»
14 years 1 months ago
On Degree Constrained Shortest Paths
Abstract. Traditional shortest path problems play a central role in both the design and use of communication networks and have been studied extensively. In this work, we consider a...
Samir Khuller, Kwangil Lee, Mark A. Shayman
ICDE
2007
IEEE
111views Database» more  ICDE 2007»
14 years 9 months ago
Finding Top-k Min-Cost Connected Trees in Databases
It is widely realized that the integration of database and information retrieval techniques will provide users with a wide range of high quality services. In this paper, we study ...
Bolin Ding, Jeffrey Xu Yu, Shan Wang, Lu Qin, Xiao...