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  1. Science in China Series : Information Sciences
  2. Science in China Series : Information Sciences : Volume 57
  3. Science in China Series : Information Sciences : Volume 57, Issue 3, February 2014
  4. A 16-competitive algorithm for hierarchical median problem
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Science in China Series : Information Sciences : Volume 61
Science in China Series : Information Sciences : Volume 60
Science in China Series : Information Sciences : Volume 59
Science in China Series : Information Sciences : Volume 58
Science in China Series : Information Sciences : Volume 57
Science in China Series : Information Sciences : Volume 57, Issue 12, December 2014
Science in China Series : Information Sciences : Volume 57, Issue 11, November 2014
Science in China Series : Information Sciences : Volume 57, Issue 10, October 2014
Science in China Series : Information Sciences : Volume 57, Issue 9, September 2014
Science in China Series : Information Sciences : Volume 57, Issue 8, August 2014
Science in China Series : Information Sciences : Volume 57, Issue 7, July 2014
Science in China Series : Information Sciences : Volume 57, Issue 6, June 2014
Science in China Series : Information Sciences : Volume 57, Issue 5, May 2014
Science in China Series : Information Sciences : Volume 57, Issue 4, April 2014
Science in China Series : Information Sciences : Volume 57, Issue 3, February 2014
Editor’s note
A 16-competitive algorithm for hierarchical median problem
A polynomial time algorithm for GapCVPP in l $_{1}$ norm
Downsampling sparse representation and discriminant information aided occluded face recognition
Perceptual image quality assessment metric using mutual information of Gabor features
A social interaction system based on cloud computing for mobile video telephony
Communication and monitor of breast cancer signal in the pulse-output genetic circuit network
A top-down positioning scheme for underwater wireless sensor networks
A theoretical framework for quantum image representation and data loading scheme
An OSGi-based flexible and adaptive pervasive cloud infrastructure
CAD mesh model simplification with assembly features preservation
Discrete time-varying fault detection filter for non-uniformly sampled-data systems
Adaptive neural network tracking design for a class of uncertain nonlinear discrete-time systems with dead-zone
Controllability of Boolean control networks avoiding states set
Testing protocols in Internet of Things by a formal passive technique
Feedback control design with vibration suppression for flexible air-breathing hypersonic vehicles
Audio steganography with AES for real-time covert voice over internet protocol communications
A computational cognition model of perception, memory, and judgment
Approximation-based adaptive fuzzy control for a class of non-strict-feedback stochastic nonlinear systems
Temporal evolution of contacts and communities in networks of face-to-face human interactions
Fault attacks on hyperelliptic curve discrete logarithm problem over binary field
Design and performance analysis of deterministic learning of sampled-data nonlinear systems
Toward reverse engineering on secret S-boxes in block ciphers
Virtual vignettes: the acquisition, analysis, and presentation of social network data
Science in China Series : Information Sciences : Volume 57, Issue 2, February 2014
Science in China Series : Information Sciences : Volume 57, Issue 1, January 2014
Science in China Series : Information Sciences : Volume 56
Science in China Series : Information Sciences : Volume 55
Science in China Series : Information Sciences : Volume 54
Science in China Series : Information Sciences : Volume 53
Science in China Series : Information Sciences : Volume 52
Science in China Series : Information Sciences : Volume 51
Science in China Series : Information Sciences : Volume 50
Science in China Series : Information Sciences : Volume 49
Science in China Series : Information Sciences : Volume 48
Science in China Series : Information Sciences : Volume 47
Science in China Series : Information Sciences : Volume 46
Science in China Series : Information Sciences : Volume 45
Science in China Series : Information Sciences : Volume 44

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A 16-competitive algorithm for hierarchical median problem

Content Provider Springer Nature Link
Author Dai, WenQiang
Copyright Year 2014
Abstract The hierarchical median problem consists of finding a hierarchical assignment function sequence of solutions to the well-known k-median problems with growing cardinality. This sequence is said to be r-competitive if the cost of each solution is at most r times of the optimum cost of median problem with a same cardinality, where r is called the competitive ratio. Previously the best algorithm available for this problem has competitive ratio 20.71. In this paper an improved algorithm is proposed with competitive ratio factor 16.
Starting Page 1
Ending Page 7
Page Count 7
File Format PDF
ISSN 1674733X
Journal Science in China Series : Information Sciences
Volume Number 57
Issue Number 3
e-ISSN 18691919
Language English
Publisher Science China Press
Publisher Date 2014-06-15
Publisher Place Heidelberg
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword hierarchical location median algorithm competitive ratio Information Systems and Communication Service
Content Type Text
Resource Type Article
Subject Computer Science
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