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» The Guarding Problem - Complexity and Approximation
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CSR
2007
Springer
15 years 10 months ago
Estimation of the Click Volume by Large Scale Regression Analysis
Abstract. How could one estimate the total number of clicks a new advertisement could potentially receive in the current market? This question, called the click volume estimation p...
Yury Lifshits, Dirk Nowotka
ICALP
2007
Springer
15 years 10 months ago
Mechanism Design for Fractional Scheduling on Unrelated Machines
In this paper, we consider the mechanism design version of the fractional variant of the scheduling problem on unrelated machines. We give a lower bound of 2 − 1/n for any fracti...
George Christodoulou, Elias Koutsoupias, Annam&aac...
IFIP
2007
Springer
15 years 10 months ago
Elliptic Control by Penalty Techniques with Control Reduction
The paper deals with the numerical treatment of optimal control problems with bounded distributed controls and elliptic state equations by a wider class of barrier-penalty methods...
Christian Grossmann, Holger Kunz, Robert Meischner
ISAAC
2007
Springer
93views Algorithms» more  ISAAC 2007»
15 years 10 months ago
Dilation-Optimal Edge Deletion in Polygonal Cycles
Abstract. Let C be a polygonal cycle on n vertices in the plane. A randomized algorithm is presented which computes in O(n log3 n) expected time, the edge of C whose removal result...
Hee-Kap Ahn, Mohammad Farshi, Christian Knauer, Mi...
ISAAC
2007
Springer
109views Algorithms» more  ISAAC 2007»
15 years 10 months ago
Separating Populations with Wide Data: A Spectral Analysis
In this paper, we consider the problem of partitioning a small data sample drawn from a mixture of k product distributions. We are interested in the case that individual features a...
Avrim Blum, Amin Coja-Oghlan, Alan M. Frieze, Shuh...