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COMPGEOM
1997
ACM
15 years 6 months ago
Time-Series Similarity Problems and Well-Separated Geometric Sets
Given a pair of nonidentical complex objects, de ning and determining how similar they are to each other is a nontrivial problem. In data mining applications, one frequently nee...
Béla Bollobás, Gautam Das, Dimitrios...
EDM
2010
139views Data Mining» more  EDM 2010»
15 years 3 months ago
Automatic Rating of User-Generated Math Solutions
Intelligent tutoring systems adapt to users' cognitive factors, but typically not to affective or conative factors. Crowd-sourcing may be a way to create materials that engage...
Turadg Aleahmad, Vincent Aleven, Robert Kraut
CORR
2010
Springer
200views Education» more  CORR 2010»
15 years 2 months ago
A Multilevel Approach For Nonnegative Matrix Factorization
Nonnegative Matrix Factorization (NMF) is the problem of approximating a nonnegative matrix with the product of two low-rank nonnegative matrices and has been shown to be particul...
Nicolas Gillis, François Glineur
PKDD
2007
Springer
193views Data Mining» more  PKDD 2007»
15 years 8 months ago
Learning Multi-dimensional Functions: Gas Turbine Engine Modeling
Abstract. This paper shows how multi-dimensional functions, describing the operation of complex equipment, can be learned. The functions are points in a shape space, each produced ...
Chris Drummond
TIT
2010
125views Education» more  TIT 2010»
14 years 8 months ago
Target detection via network filtering
A method of `network filtering' has been proposed recently to detect the effects of certain external perturbations on the interacting members in a network. However, with larg...
Shu Yang, Eric D. Kolaczyk