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» Approximation Algorithms for Minimum K-Cut
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HICSS
2003
IEEE
122views Biometrics» more  HICSS 2003»
14 years 2 months ago
On Reducing Broadcast Redundancy in Ad Hoc Wireless Networks
—Unlike in a wired network, a packet transmitted by a node in an ad hoc wireless network can reach all neighbors. Therefore, the total number of transmissions (forward nodes) is ...
Wei Lou, Jie Wu
JSAC
2006
107views more  JSAC 2006»
13 years 9 months ago
Adaptive Sensor Activity Control in Many-to-One Sensor Networks
Abstract--In this paper, we consider a many-to-one sensor network where a large number of sensors are deployed to monitor a physical environment. We explore sensor activity managem...
Zhifeng Hu, Junshan Zhang, Lang Tong
ISAAC
2004
Springer
137views Algorithms» more  ISAAC 2004»
14 years 2 months ago
The Polymatroid Steiner Problems
The Steiner tree problem asks for a minimum cost tree spanning a given set of terminals S ⊆ V in a weighted graph G = (V, E, c), c : E → R+ . In this paper we consider a genera...
Gruia Calinescu, Alexander Zelikovsky
KDD
2007
ACM
159views Data Mining» more  KDD 2007»
14 years 9 months ago
Constraint-driven clustering
Clustering methods can be either data-driven or need-driven. Data-driven methods intend to discover the true structure of the underlying data while need-driven methods aims at org...
Rong Ge, Martin Ester, Wen Jin, Ian Davidson
STACS
2004
Springer
14 years 2 months ago
An Algorithmic View on OVSF Code Assignment
OrthogonalVariableSpreadingFactor(OVSF)codesareusedinUMTStosharetheradiospectrum among several connections of possibly different bandwidth requirements. The combinatorial core of t...
Thomas Erlebach, Riko Jacob, Matús Mihal&aa...