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APPROX
2005
Springer
104views Algorithms» more  APPROX 2005»
16 years 1 days ago
On the Error Parameter of Dispersers
Optimal dispersers have better dependence on the error than optimal extractors. In this paper we give explicit disperser constructions that beat the best possible extractors in so...
Ronen Gradwohl, Guy Kindler, Omer Reingold, Amnon ...
CICLING
2006
Springer
15 years 10 months ago
Improving kNN Text Categorization by Removing Outliers from Training Set
We show that excluding outliers from the training data significantly improves kNN classifier, which in this case performs about 10% better than the best know method--Centroid-based...
Kwangcheol Shin, Ajith Abraham, Sang-Yong Han
COMBINATORICS
2007
83views more  COMBINATORICS 2007»
15 years 6 months ago
On Small Dense Sets in Galois Planes
This paper deals with new infinite families of small dense sets in desarguesian projective planes PG(2, q). A general construction of dense sets of size about 3q2/3 is presented....
Massimo Giulietti
DATASCIENCE
2007
74views more  DATASCIENCE 2007»
15 years 6 months ago
The relative efficiency of data compression by LZW and LZSS
We explore the use of the LZW and LZSS data compression methods. These methods or some versions of them are very common in use of compressing different types of data. Even though ...
Yair Wiseman
PPSN
2004
Springer
15 years 12 months ago
On the Importance of Information Speed in Structured Populations
A radius–based separation of selection and recombination spheres in diffusion model EAs is introduced, enabling a new taxonomy, oriented towards information flow analysis. It a...
Mike Preuss, Christian Lasarczyk