Sciweavers

3356 search results - page 532 / 672
» Thresholds and Expectation Thresholds
Sort
View
CSDA
2006
84views more  CSDA 2006»
15 years 6 months ago
Extremal financial risk models and portfolio evaluation
It is difficult to find an existing single model which is able to simultaneously model exceedances over thresholds in multivariate financial time series. A new modeling approach, ...
Zhengjun Zhang, James Huang
CVIU
2006
160views more  CVIU 2006»
15 years 6 months ago
Automatic selection of edge detector parameters based on spatial and statistical measures
The basic and widely used edge detection operation in an image usually requires a prior step of setting the edge detector parameters (thresholds, blurring extent etc.). Finding th...
Raz Koren, Yitzhak Yitzhaky
DATAMINE
2006
230views more  DATAMINE 2006»
15 years 6 months ago
Mining top-K frequent itemsets from data streams
Frequent pattern mining on data streams is of interest recently. However, it is not easy for users to determine a proper frequency threshold. It is more reasonable to ask users to ...
Raymond Chi-Wing Wong, Ada Wai-Chee Fu
DKE
2006
110views more  DKE 2006»
15 years 6 months ago
Efficient mining of group patterns from user movement data
In this paper, we present a new approach to derive groupings of mobile users based on their movement data. We assume that the user movement data are collected by logging location ...
Yida Wang, Ee-Peng Lim, San-Yih Hwang
EJC
2006
15 years 6 months ago
Perfect matchings in uniform hypergraphs with large minimum degree
A perfect matching in a k-uniform hypergraph on n vertices, n divisible by k, is a set of n/k disjoint edges. In this paper we give a sufficient condition for the existence of a p...
Vojtech Rödl, Andrzej Rucinski, Endre Szemer&...