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STOC
2007
ACM
146views Algorithms» more  STOC 2007»
14 years 6 months ago
Playing games with approximation algorithms
In an online linear optimization problem, on each period t, an online algorithm chooses st S from a fixed (possibly infinite) set S of feasible decisions. Nature (who may be adve...
Sham M. Kakade, Adam Tauman Kalai, Katrina Ligett
ICSEA
2007
IEEE
14 years 27 days ago
A Model for the Effect of Caching on Algorithmic Efficiency in Radix based Sorting
— This paper demonstrates that the algorithmic performance of end user programs may be greatly affected by the two or three level caching scheme of the processor, and we introduc...
Arne Maus, Stein Gjessing
ENTCS
2002
207views more  ENTCS 2002»
13 years 6 months ago
Efficient Algorithms for the Maximum Subarray Problem by Distance Matrix Multiplication
We design an efficient algorithm that maximizes the sum of array elements of a subarray of a two-dimensional array. The solution can be used to find the most promising array porti...
Tadao Takaoka
VLDB
2005
ACM
153views Database» more  VLDB 2005»
14 years 6 months ago
An effective and efficient algorithm for high-dimensional outlier detection
Abstract. The outlier detection problem has important applications in the field of fraud detection, network robustness analysis, and intrusion detection. Most such applications are...
Charu C. Aggarwal, Philip S. Yu
AAAI
2008
13 years 9 months ago
Abduction with Bounded Treewidth: From Theoretical Tractability to Practically Efficient Computation
Abductive diagnosis is an important method to identify explanations for a given set of observations. Unfortunately, most of the algorithmic problems in this area are intractable. ...
Georg Gottlob, Reinhard Pichler, Fang Wei