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» The Complexity of the Approximation of the Bandwidth Problem
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COSIT
1995
Springer
103views GIS» more  COSIT 1995»
14 years 20 days ago
On the Determination of the Optimum Path in Space
: Various algorithms have been proposed for the determination of the optimum paths in line networks. Moving in space is a far more complex problem, where research has been scarce. ...
Emmanuel Stefanakis, Marinos Kavouras
KDD
2009
ACM
146views Data Mining» more  KDD 2009»
14 years 3 months ago
Online allocation of display advertisements subject to advanced sales contracts
In this paper we propose a utility model that accounts for both sales and branding advertisers. We first study the computational complexity of optimization problems related to bo...
Saeed Alaei, Esteban Arcaute, Samir Khuller, Wenji...
SIP
2003
13 years 10 months ago
Design of Full Band IIR Digital Differentiators
This paper presents an efficient method for designing full band IIR digital differentiators in the complex Chebyshev sense. The proposed method is based on the formulation of a g...
Xi Zhang, Toshinori Yoshikawa
COCO
2009
Springer
131views Algorithms» more  COCO 2009»
14 years 3 months ago
A Multi-Round Communication Lower Bound for Gap Hamming and Some Consequences
—The Gap-Hamming-Distance problem arose in the context of proving space lower bounds for a number of key problems in the data stream model. In this problem, Alice and Bob have to...
Joshua Brody, Amit Chakrabarti
CORR
2010
Springer
81views Education» more  CORR 2010»
13 years 4 months ago
Analysis of Agglomerative Clustering
The diameter k-clustering problem is the problem of partitioning a finite subset of Rd into k subsets called clusters such that the maximum diameter of the clusters is minimized. ...
Marcel R. Ackermann, Johannes Blömer, Daniel ...