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125
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CSR
2010
Springer
15 years 5 months ago
Validating the Knuth-Morris-Pratt Failure Function, Fast and Online
Let πw denote the failure function of the Knuth-Morris-Pratt algorithm for a word w. In this paper we study the following problem: given an integer array A [1 . . n], is there a w...
Pawel Gawrychowski, Artur Jez, Lukasz Jez
ISI
2008
Springer
15 years 23 days ago
Analysis of cyberactivism: A case study of online free Tibet activities
In this paper, we study the problem of anomaly detection in high-dimensional network streams. We have developed a new technique, called Stream Projected Ouliter deTector (SPOT), t...
Tianjun Fu, Hsinchun Chen
86
Voted
ISAAC
1999
Springer
70views Algorithms» more  ISAAC 1999»
15 years 5 months ago
Multiple Spin-Block Decisions
We study the online problem of holding a number of idle threads on an application server, which we have ready for processing new requests. The problem stems from the fact that bot...
Peter Damaschke
111
Voted
ICIP
2001
IEEE
16 years 2 months ago
An evolving localised learning model for on-line image colour quantisation
Although widely studied for many years, colour quantisation remains a practical problem in image processing. Unlike previous works where the image can only be quantised after the ...
Da Deng, Nikola K. Kasabov
71
Voted
ISAAC
2009
Springer
92views Algorithms» more  ISAAC 2009»
15 years 7 months ago
Online Maximum Directed Cut
We investigate a natural online version of the well-known Maximum Directed Cut problem on DAGs. We propose a deterministic algorithm and show that it achieves a competitive ratio o...
Amotz Bar-Noy, Michael Lampis