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SECON
2007
IEEE
15 years 10 months ago
Approximation Algorithm for Base Station Placement in Wireless Sensor Networks
Base station location has significant impact on network lifetime performance for a sensor network. For a multihop sensor network, this problem is particular challenging as we need ...
Yi Shi, Yiwei Thomas Hou
MFCS
2007
Springer
15 years 10 months ago
On Approximation of Bookmark Assignments
Consider a rooted directed acyclic graph G = (V, E) with root r, representing a collection V of web pages connected via a set E of hyperlinks. Each node v is associated with the pr...
Yuichi Asahiro, Eiji Miyano, Toshihide Murata, Hir...
NETCOOP
2007
Springer
15 years 10 months ago
Minimum Transmission Energy Trajectories for a Linear Pursuit Problem
In this paper we study a pursuit problem in the context of a wireless sensor network, where the pursuer (i.e., mobile sink) trying to capture a pursuee (i.e., tracked object), movi...
Attila Vidács, Jorma T. Virtamo
APLAS
2005
ACM
15 years 10 months ago
Calculating Polynomial Runtime Properties
Affine size-change analysis has been used for termination analysis of eager functional programming languages. The same style of analysis is also capable of compactly recording and ...
Hugh Anderson, Siau-Cheng Khoo, Stefan Andrei, Bea...
ATAL
2004
Springer
15 years 10 months ago
Multi-Agent Simulation of Collaborative Strategies in a Supply Chain
The bullwhip effect is the amplification of the order variability in a supply chain. This phenomenon causes important financial cost due to higher inventory levels and agility r...
Thierry Moyaux, Brahim Chaib-draa, Sophie D'Amours