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» The Guarding Problem - Complexity and Approximation
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SDM
2010
SIAM
202views Data Mining» more  SDM 2010»
15 years 4 months ago
Multiresolution Motif Discovery in Time Series
Time series motif discovery is an important problem with applications in a variety of areas that range from telecommunications to medicine. Several algorithms have been proposed t...
Nuno Castro, Paulo J. Azevedo
MOBIHOC
2010
ACM
15 years 4 months ago
Near optimal multi-application allocation in shared sensor networks
Recent years have witnessed the emergence of shared sensor networks as integrated infrastructure for multiple applications. It is important to allocate multiple applications in a ...
You Xu, Abusayeed Saifullah, Yixin Chen, Chenyang ...
CORR
2011
Springer
241views Education» more  CORR 2011»
15 years 1 months ago
An Alternating Direction Algorithm for Matrix Completion with Nonnegative Factors
This paper introduces a novel algorithm for the nonnegative matrix factorization and completion problem, which aims to find nonnegative matrices X and Y from a subset of entries o...
Yangyang Xu, Wotao Yin, Zaiwen Wen, Yin Zhang
JSAC
2011
83views more  JSAC 2011»
14 years 9 months ago
Trading Rate for Balanced Queue Lengths for Network Delay Minimization
—We consider a communication channel with two transmitters and one receiver, with an underlying rate region which is approximated as a general pentagon. Different from the Gaussi...
Jing Yang, Sennur Ulukus
TON
2012
13 years 9 months ago
Opportunistic Flow-Level Latency Estimation Using Consistent NetFlow
—The inherent measurement support in routers (SNMP counters or NetFlow) is not sufficient to diagnose performance problems in IP networks, especially for flow-specific problem...
Myungjin Lee, Nick G. Duffield, Ramana Rao Kompell...