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» Cluster validation using information stability measures
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BC
1998
96views more  BC 1998»
14 years 9 months ago
Evidence of phase transitions in heart period dynamics
Complexity measures of non-linear dynamics are a useful tool for quantifying observed stretching, folding, scaling and mixing processes in the Takens-reconstructed state space of h...
Henrik Bettermann, Peter Van Leeuwen
IEEEIAS
2009
IEEE
15 years 4 months ago
Detecting Stepping-Stone Intruders with Long Connection Chains
: A common technique hacker use is to route their traffic through a chain of stepping-stone hosts. It is generally agreed that there is no valid reason to use a long connection cha...
Wei Ding, Matthew J. Hausknecht, Shou-Hsuan Stephe...
STOC
2004
ACM
145views Algorithms» more  STOC 2004»
15 years 10 months ago
Using mixture models for collaborative filtering
A collaborative filtering system at an e-commerce site or similar service uses data about aggregate user behavior to make recommendations tailored to specific user interests. We d...
Jon M. Kleinberg, Mark Sandler
ENGL
2007
101views more  ENGL 2007»
14 years 10 months ago
Multiresolution Knowledge Mining using Wavelet Transform
— Most research in Knowledge Mining deal with the basic models like clustering, classification, regression, association rule mining and so on. In the process of quest for knowled...
R. Pradeep Kumar, P. Nagabhushan
PAMI
2008
146views more  PAMI 2008»
14 years 10 months ago
Video Event Recognition Using Kernel Methods with Multilevel Temporal Alignment
In this work, we systematically study the problem of event recognition in unconstrained news video sequences. We adopt the discriminative kernel-based method for which video clip s...
Dong Xu, Shih-Fu Chang